Glasgow Surname Project

Individual research record

Thomas Glasco

1753 – ?

Glasco-144 · 1 mapped association

Dublin→Death place unknown
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At a glance

Identity & family

Tree links organise the family; documentary status still varies.

1Mapped records
3Close relations
3Evidence items
12Candidate leads
Birth
1753 · Dublin
Death
Not recorded · Place not recorded
Parents
Catherine (Mangan) Glascounmarked
Spouses
Ann (Duffy) Glasco
Children
Thomas Glasco
Gender
Male
WikiTree
Glasco-144
Research clusters
Ireland One-Tree profile leads
Mapped descendants
1

Comparison context

These child positions and checks are the subject details used to rank possible parents below.

Naming sequence used by the parentage model

Paternal grandfather positionNot identifiable from dated child profiles
Maternal grandfather positionNot identifiable from dated child profiles
Maternal grandmother positionNot identifiable from dated child profiles
Paternal grandmother positionNot identifiable from dated child profiles

Known-position checks: 0 support · 0 conflict. Ordinals retain unnamed children and recognise reused names.

Estimate and relationship notes
  • 1 parent reference point outside the current export.

Relationship comparison

Potential parents or duplicates

Compare scored leads with the subject details above—not proof.

Higher-signal leadReview carefullyWeak lead

Possible fathers5 leads

Automated fit24/100
Weak Lead
Dates1715–1772Generation38 years age gapRecorded placesCounty Dublin, IrelandIndependent clue breadth · 2Age · Undated LocalityExisting-tree context (not an independent clue)Parental Couple Structure · Rare Sibling-Name PatternCurrent relationshipNot currently linked as parent
Strongest signals
  • plausible 38-year parent-child age gap (+18)
  • candidate has only broad or undated birth-locality overlap: dublin (+6)
  • candidate is the spouse of the linked opposite-sex parent (+8; tree couple clue)

no known spouse has a plausible maternal age at the subject's birth (−6; an unknown spouse remains possible); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Show complete scoring
  • candidate is the spouse of the linked opposite-sex parent (+8; tree couple clue)
  • plausible 38-year parent-child age gap (+18)
  • candidate has only broad or undated birth-locality overlap: dublin (+6)
  • same research cluster (+0; grouping is not kinship evidence)
  • candidate's other children share uncommon given names with the subject's recorded siblings: Phillip +14 (6 public profiles) (+14 total)

Deductions and cautions: no known spouse has a plausible maternal age at the subject's birth (−6; an unknown spouse remains possible); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Automated fit24/100
Weak Lead
Dates1711–?Generation42 years age gapRecorded placesUphall, West Lothian, Scotland · Christ Church / Trinity Lane district — Dublin · Christ Church district — DublinIndependent clue breadth · 4Age · Household · Local Sibling Birth · Time-Specific LocalityExisting-tree context (not an independent clue)Rare Sibling-Name PatternCurrent relationshipNot currently linked as parent
Strongest signals
  • candidate has a supported 1750 Marriage reported in Dublin Courant in the subject's birth locality, 3 years from the subject's birth (+22)
  • plausible 42-year parent-child age gap (+18)
  • a known child was born within 3 years of the subject (+3)

the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Show complete scoring
  • plausible 42-year parent-child age gap (+18)
  • candidate has a supported 1750 Marriage reported in Dublin Courant in the subject's birth locality, 3 years from the subject's birth (+22)
  • a known child was born within 3 years of the subject (+3)
  • candidate has another child, Phillip Glasgow, born 3 years from the subject in the same specific birth locality (+6; possible sibling-household clue)
  • candidate's other children share uncommon given names with the subject's recorded siblings: Phillip +14 (6 public profiles) (+14 total)

Deductions and cautions: the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Show 3 lower-scoring possible fathers
Automated fit22/100
Weak Lead
Dates1715–?Generation38 years age gapRecorded placesEdinburgh, Midlothian, Scotland · EdinburghIndependent clue breadth · 2Age · Same-Sex Generational NamingCurrent relationshipNot currently linked as parent
Strongest signals
  • plausible 38-year parent-child age gap (+18)
  • candidate and subject share the given name Thomas (+4; weak direct parent-child name recurrence, 86 public profiles)

locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Show complete scoring
  • plausible 38-year parent-child age gap (+18)
  • candidate and subject share the given name Thomas (+4; weak direct parent-child name recurrence, 86 public profiles)

Deductions and cautions: locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Automated fit14/100
Weak Lead
Dates1726–?Generationat least 27 years age gapRecorded placesLocation not supplied — profile holding pointIndependent clue breadth · 2Age · Local Sibling BirthCurrent relationshipNot currently linked as parent
Strongest signals
  • bounded birth date gives a parent-child age gap of at least 27 years (+10; true age remains uncertain)
  • candidate has another child, Elizabeth Glasgow, born 9 years from the subject in the same specific birth locality (+4; possible sibling-household clue)

locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Show complete scoring
  • bounded birth date gives a parent-child age gap of at least 27 years (+10; true age remains uncertain)
  • candidate has another child, Elizabeth Glasgow, born 9 years from the subject in the same specific birth locality (+4; possible sibling-household clue)

Deductions and cautions: locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Automated fit8/100
Weak Lead
Dates1700–?Generationat least 53 years age gapRecorded placesLivingston, West Lothian, Scotland · Livingston — West LothianIndependent clue breadth · 2Age · Same-Sex Generational NamingCurrent relationshipNot currently linked as parent
Strongest signals
  • bounded birth date gives a parent-child age gap of at least 53 years (+10; true age remains uncertain)
  • candidate and subject share the given name Thomas (+4; weak direct parent-child name recurrence, 86 public profiles)

locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); subject lies more than 20 years from the candidate's known child-bearing period (−6; children may be missing); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Show complete scoring
  • bounded birth date gives a parent-child age gap of at least 53 years (+10; true age remains uncertain)
  • candidate and subject share the given name Thomas (+4; weak direct parent-child name recurrence, 86 public profiles)

Deductions and cautions: locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); subject lies more than 20 years from the candidate's known child-bearing period (−6; children may be missing); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Possible mothers5 leads

Automated fit9/100
Competing Linked Parent
Dates1725–?Generation28 years age gapRecorded placesLibberton, Lanark, ScotlandIndependent clue breadth · 2Age · Spouse-Specific Child WindowSame-spouse child windowJohn GlasgowCurrent relationshipNot currently linked as parent
Strongest signals
  • plausible 28-year parent-child age gap (+18)
  • subject's birth fits between children attributed to the same parental couple (1738–1761) (+6; other parent John Glasgow)

a different mother is already linked but its evidence is unassessed (−15); locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Show complete scoring
  • plausible 28-year parent-child age gap (+18)
  • subject's birth fits between children attributed to the same parental couple (1738–1761) (+6; other parent John Glasgow)

Deductions and cautions: a different mother is already linked but its evidence is unassessed (−15); locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Automated fit3/100
Competing Linked Parent
Dates1735–1809Generation18 years age gapRecorded placesStitchill, Scottish Borders, Scotland, United KingdomIndependent clue breadth · 1AgeCurrent relationshipNot currently linked as parent
Strongest signals
  • plausible 18-year parent-child age gap (+18)

a different mother is already linked but its evidence is unassessed (−15); locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Show complete scoring
  • plausible 18-year parent-child age gap (+18)

Deductions and cautions: a different mother is already linked but its evidence is unassessed (−15); locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Show 3 lower-scoring possible mothers
Automated fit3/100
Competing Linked Parent
Dates1735–?Generation18 years age gapRecorded placesAyrshire — exact locality unprovedIndependent clue breadth · 1AgeCurrent relationshipNot currently linked as parent
Strongest signals
  • plausible 18-year parent-child age gap (+18)

a different mother is already linked but its evidence is unassessed (−15); locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Show complete scoring
  • plausible 18-year parent-child age gap (+18)

Deductions and cautions: a different mother is already linked but its evidence is unassessed (−15); locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Automated fit3/100
Competing Linked Parent
Dates1735–?Generation18 years age gapRecorded placesCounty Antrim, Ireland · New Town — LarneIndependent clue breadth · 1AgeCurrent relationshipNot currently linked as parent
Strongest signals
  • plausible 18-year parent-child age gap (+18)

a different mother is already linked but its evidence is unassessed (−15); locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Show complete scoring
  • plausible 18-year parent-child age gap (+18)

Deductions and cautions: a different mother is already linked but its evidence is unassessed (−15); locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Automated fit3/100
Competing Linked Parent
Dates1734–?Generation19 years age gapRecorded placesKirknewton, Linlithgowshire, Scotland · Kirknewton — West LothianIndependent clue breadth · 1AgeCurrent relationshipNot currently linked as parent
Strongest signals
  • plausible 19-year parent-child age gap (+18)

a different mother is already linked but its evidence is unassessed (−15); locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

Show complete scoring
  • plausible 19-year parent-child age gap (+18)

Deductions and cautions: a different mother is already linked but its evidence is unassessed (−15); locality comparison is unavailable because one or both profiles lack adequate place data (no deduction); the subject's current profile explicitly says its displayed family links are not established (score capped at 24; tree descendants are excluded from scoring)

How parent leads are calculated

Automated leads use birth surnames—not married surnames—as parental eligibility, role-specific biological age limits, bounded and approximate-date uncertainty, household chronology, specific time-aware localities, mapped distance, tenancy succession, migration destinations and sex-aware Scottish naming positions across generations. People already attached as the subject's parents stay in the identity summary and are excluded from this alternative-candidate list, regardless of relationship confidence. The main calibration uses clues available on disconnected profiles; existing parent and sibling links are retained as comparison context rather than treated as transferable evidence. Common ordered names and grandparent-to-child echoes receive a small non-zero weight, so a John or James match can support several independent criteria without producing a lead alone. Rare names, repeated bearers and bundles across otherwise distinct branches receive substantially more weight according to catalogue frequency. An exact migration place is weighted by its rarity and repetition across both branches; a shared destination country is worth only one point. Extra weight is added only when at least three independent clue types converge: naming, locality, specific migration, household chronology or collateral networks. Sparse profiles retain a clearly labelled chronology-only fallback instead of disappearing. Countries, states, counties and research clusters do not count as a shared locality, and fallback, broad representative or kin-inferred coordinates are excluded from distance scoring. Shared descendant profiles are removed before branch-name comparison. A candidate already recorded as a parent-in-law is excluded. A confident or independently supported parent is treated as settled; uncertain and unassessed attachments remain open to alternative comparison. A different linked parent, an uncle/aunt or grandparent path, and a matching existing child profile prevent an alternative from being classified as a strong direct-parent lead until the underlying tree conflict or duplicate is resolved. Familiar forms such as Bessie are normalised. Surname remains an eligibility filter worth zero points.

Naming customs, shared farms and occupations are circumstantial. Children, spouses and collateral relatives may be missing, and tree-derived family networks are not independent evidence. Scores rank research leads; they do not prove parentage.

Same-name candidate

Thomas GlasgowGlasgow-1382

Automated fit30/100
Similar Person
Dates1746–1851PlacesLivingston, Linlithgowshire, ScotlandParent comparisonNo shared parent is indexed
Why it may fit
  • same first and last name (+18)
  • birth years within 7 (+10)
  • child given-name pattern overlaps: Thomas

No indexed conflict

Full comparison detail
  • same first and last name (+18)
  • birth years within 7 (+10)
  • child given-name pattern overlaps: Thomas

Conflicts: No indexed conflict

Open side-by-side comparison

Same-name candidate

Thomas GlasgowGlasgow-1620

Automated fit25/100
Similar Person
Dates1761–1834PlacesCurrie by Edinburgh, Midlothian, Scotland → Midlothian, Scotland, United KingdomParent comparisonNo shared parent is indexed
Why it may fit
  • same first and last name (+18)
  • birth years within 8 (+10)
  • child given-name pattern overlaps: Thomas

unassessed mother attachments differ (−5)

Full comparison detail
  • same first and last name (+18)
  • birth years within 8 (+10)
  • child given-name pattern overlaps: Thomas

Conflicts: unassessed mother attachments differ (−5)

Open side-by-side comparison
How duplicate leads are calculated

Dates are eligibility gates, not merely deductions: chronologically impossible people are excluded. Dates, places, spouses, parent certainty and children's profiles and names are then compared. A high score is a prompt to inspect records, not a merge recommendation.

Open only what you need

Research & records

Life and record timelineChronological mapped occurrences and their underlying sources.1 record
b. 1753

Profile-stated birthplace: Dublin

Dublin

One-Tree export profile fields are search leads, not sources; relationships are shown only where the export supplies parent links.

One-Tree profile leadunknown
Source and mapping detail

WikiTree profile export for Glasco-144

No sufficiently specific citation match found.

Precision: Country-centre fallback for profile locality

Evidence assessmentWhat is supported, uncertain or disputed in the current case model.6 claims
2Unknown
1Tree Only

Documented or strongly supported

No claims in this category have been formally assessed.

Working hypotheses and conflicts

No claims in this category have been formally assessed.

Research questionsOpen problems, missing bridges and the next records to inspect.0 open

No formal open question is recorded for this person.

Sources and provenanceStructured citations and source-quality classifications.3 sources

Source or provenance: quality describes the record layer, not every conclusion drawn from it.

  1. unknown Undated handwritten Duffy family pedigree. The pedigree identifies Margaret Duffy as the wife of Thomas Glascoe and as a daughter of Patrick Duffy of Back Lane, Dublin, and Anne. It records Patrick Duffy’s will as dated 9 April 1774 and proved June 1775. https://catalogue.nli.ie/Record/vtls000541072
  2. unknown https://www.virtualtreasury.ie/item/PROI-DKPRI-26-7
  3. tree_only WikiTree profile export for Glasco-144
Technical profile and raw captureDataset metadata, machine dossier and captured WikiTree biography.Advanced

WikiTree profile information

Dataset: ONT_Glasco_2026-08-18T16_05.json · generated 2026-08-20

Machine-readable dossier

WikiTree biography, citations and relationship snapshot

Glasco-144 was captured 2026-08-11T19:49:25+00:00; WikiTree profile revision 2026-08-05.

Profile location claims

EventDateLocationStatus
birth—DublinWikiTree profile field

Immediate relationship snapshot

RelationshipPersonWikiTree IDDates and places returned
ParentsThomas GlascoGlasco-1731742-00-00 · 0000-00-00
ParentsCatherine GlascoMangan-8241690-00-00 · County Kildare, Ireland · 1760-02-02 · County Dublin, Ireland
ChildrenThomas GlascoGlasco-1431766-00-00 · Dublin, Ireland · 0000-00-00
SiblingsJames GlascoGlasco-1481730-00-00 · 1793-00-00
SiblingsPhillip GlascoGlasco-1471740-00-00 · 0000-00-00 · County Dublin, Ireland
SpousesAnn GlascoDuffy-60261756-00-00 · 0000-00-00 · 1776-00-00

Record-bearing passages

  • Biography Thomas Glascoe married Margaret Duffy, daughter of Patrick Duffy and his wife Anne.
  • Margaret’s father, Patrick Duffy, was associated with Back Lane, Dublin. The pedigree states that Patrick made his will on 9 April 1774 and that it was proved in June 1775.
  • The pedigree also names Margaret’s siblings as John Duffy, Peter Duffy, Judith Duffy, Mary Duffy, and possibly Teresa Duffy. Judith married Cornelius Blewitt.

  • No children of Thomas and Margaret are shown on the pedigree. This does not prove that they had no children. Research Notes

    • Thomas’s birth and death dates are unknown.
    • His birthplace and residence are not stated.
    • His occupation and parentage have not been identified.
    • No marriage date or place has yet been found.
    • The surname is written as Glascoe in the pedigree. Searches should also consider variants such as Glasco, Glascow and Glasgow.
    • Thomas should not be assigned a Dublin birthplace solely because his father-in-law lived at Back Lane, Dublin.
    • Patrick Duffy’s probate record may contain further information about Thomas and Margaret. Marriage Marriage record for THOS GLASCO and MARGT DUFFY on 12 December 1773 Area - DUBLIN (COI), Parish/Church/Congregation - ST. AUDOEN « Back to results
  • Husband Wife Name THOS GLASCO MARGT DUFFY Address Occupation Father GLASCO DUFFY Mother Further details in the record Witness 1: CORNELIUS CLARK Witness 2: DENNIS DUFFY About the record Book Number: N/A Page: N/A Entry Number: N/A Record Identifier: Old Ann and Monsieur Thompson

  • Document Date: 1776

    • Document Type: Marriage License (M.L.)
    • Estimated Birth Year: ≈1753
    • Relation: Possible daughter of Philip (the elder) or sister to Philip the younger and James. Married Monsieur Thompson. Sources
    • Undated handwritten Duffy family pedigree. The pedigree identifies Margaret Duffy as the wife of Thomas Glascoe and as a daughter of Patrick Duffy of Back Lane, Dublin, and Anne. It records Patrick Duffy’s will as dated 9 April 1774 and proved June 1775. https://catalogue.nli.ie/Record/vtls000541072

Profile source citations

  1. Undated handwritten Duffy family pedigree. The pedigree identifies Margaret Duffy as the wife of Thomas Glascoe and as a daughter of Patrick Duffy of Back Lane, Dublin, and Anne. It records Patrick Duffy’s will as dated 9 April 1774 and proved June 1775. https://catalogue.nli.ie/Record/vtls000541072 source link 1
  2. https://www.virtualtreasury.ie/item/PROI-DKPRI-26-7 source link 1
Full captured biography text
Biography
Thomas Glascoe married Margaret Duffy, daughter of Patrick Duffy and his wife Anne.

An undated handwritten pedigree of the Duffy family identifies Margaret as:

: “Margt, wife of Thomas Glascoe”

Margaret’s father, Patrick Duffy, was associated with Back Lane, Dublin. The pedigree states that Patrick made his will on 9 April 1774 and that it was proved in June 1775.

The pedigree also names Margaret’s siblings as John Duffy, Peter Duffy, Judith Duffy, Mary Duffy, and possibly Teresa Duffy. Judith married Cornelius Blewitt.

No children of Thomas and Margaret are shown on the pedigree. This does not prove that they had no children.
Research Notes
* Thomas’s birth and death dates are unknown.
* His birthplace and residence are not stated.
* His occupation and parentage have not been identified.
* No marriage date or place has yet been found.
* The surname is written as Glascoe in the pedigree. Searches should also consider variants such as Glasco, Glascow and Glasgow.
* Thomas should not be assigned a Dublin birthplace solely because his father-in-law lived at Back Lane, Dublin.
* Patrick Duffy’s probate record may contain further information about Thomas and Margaret.
Marriage
Marriage record for THOS GLASCO and MARGT DUFFY on 12 December 1773
Area - DUBLIN (COI), Parish/Church/Congregation - ST. AUDOEN « Back to results

 Husband Wife
Name THOS GLASCO MARGT DUFFY
Address 
Occupation 
Father GLASCO DUFFY
Mother 
Further details in the record
Witness 1: CORNELIUS CLARK
Witness 2: DENNIS DUFFY
About the record
Book Number: N/A
Page: N/A
Entry Number: N/A
Record Identifier: 
Old
Ann and Monsieur Thompson

* Document Date: 1776
* Document Type: Marriage License (M.L.)
* Estimated Birth Year: ≈1753
* Relation: Possible daughter of Philip (the elder) or sister to Philip the younger and James. Married Monsieur Thompson.
Sources
* Undated handwritten Duffy family pedigree. The pedigree identifies Margaret Duffy as the wife of Thomas Glascoe and as a daughter of Patrick Duffy of Back Lane, Dublin, and Anne. It records Patrick Duffy’s will as dated 9 April 1774 and proved June 1775. https://catalogue.nli.ie/Record/vtls000541072

* https://www.virtualtreasury.ie/item/PROI-DKPRI-26-7
Raw WikiTree biography markup
== Biography ==

'''Thomas Glascoe''' married [[Duffy-?|Margaret Duffy]], daughter of [[Duffy-?|Patrick Duffy]] and his wife Anne.

An undated handwritten pedigree of the Duffy family identifies Margaret as:

: “Margt, wife of Thomas Glascoe”

Margaret’s father, Patrick Duffy, was associated with Back Lane, Dublin. The pedigree states that Patrick made his will on 9 April 1774 and that it was proved in June 1775.

The pedigree also names Margaret’s siblings as John Duffy, Peter Duffy, Judith Duffy, Mary Duffy, and possibly Teresa Duffy. Judith married Cornelius Blewitt.

No children of Thomas and Margaret are shown on the pedigree. This does not prove that they had no children.

== Research Notes ==

* Thomas’s birth and death dates are unknown.
* His birthplace and residence are not stated.
* His occupation and parentage have not been identified.
* No marriage date or place has yet been found.
* The surname is written as '''Glascoe''' in the pedigree. Searches should also consider variants such as Glasco, Glascow and Glasgow.
* Thomas should not be assigned a Dublin birthplace solely because his father-in-law lived at Back Lane, Dublin.
* Patrick Duffy’s probate record may contain further information about Thomas and Margaret.


== Marriage ==


Marriage record for THOS GLASCO and MARGT DUFFY on 12 December 1773
Area - DUBLIN (COI), Parish/Church/Congregation - ST. AUDOEN « Back to results

	Husband 	Wife
Name 	THOS GLASCO 	MARGT DUFFY
Address 		
Occupation 		
Father 	GLASCO 	DUFFY
Mother 		
Further details in the record
Witness 1: 	CORNELIUS CLARK
Witness 2: 	DENNIS DUFFY
About the record
Book Number: 	N/A
Page: 	N/A
Entry Number: 	N/A
Record Identifier: 	

== Old ==


Ann and Monsieur Thompson

* Document Date: 1776
* Document Type: Marriage License (M.L.)
* Estimated Birth Year: ≈1753
* Relation: Possible daughter of Philip (the elder) or sister to Philip the younger and James. Married Monsieur Thompson.


== Sources ==

<references />

* Undated handwritten Duffy family pedigree. The pedigree identifies Margaret Duffy as the wife of Thomas Glascoe and as a daughter of Patrick Duffy of Back Lane, Dublin, and Anne. It records Patrick Duffy’s will as dated 9 April 1774 and proved June 1775. https://catalogue.nli.ie/Record/vtls000541072


<references />
* https://www.virtualtreasury.ie/item/PROI-DKPRI-26-7