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Mary Leahy — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Allegheny, Pennsylvania
Our Model Tree links this Mary Leahy across the 1900 and 1910 US Censuses in Allegheny, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 5-person household.
Age 44
b. ~1866
Female
Head
Born: Ireland
Widowed
1910 Census Record Details
| Census Year | 1910 |
| Location | Allegheny, Pennsylvania |
| Surname | Leahy |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Children Born | 4 |
| Children Living | 4 |
| Year of Immigration | 1888 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Pittsburgh City |
| Est. Birth Year | ~1866 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
5 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Anna Leahy | Daughter | — | 11 | ~1899 |
| Thomas Leahy | Son | — | 16 | ~1894 |
| Mary Leahy | Head | — | 44 | ~1866 |
| Margaret Leahy | Daughter | — | 15 | ~1895 |
| Francis Leahy | Son | — | 13 | ~1897 |
Census Appearances
1900
Allegheny, Pennsylvania
Head, age 37
Allegheny, Pennsylvania · implied b. ~1863 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leahy |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Birth Month | Aug |
| Birth Year | 1863 |
| Year of Immigration | 1881 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Grocer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
Allegheny, Pennsylvania
Head, age 44
Allegheny, Pennsylvania · implied b. ~1866 — 5 household members
| Surname | Leahy |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Children Born | 4 |
| Children Living | 4 |
| Year of Immigration | 1888 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Leahy across 2 US Census years (1900 and 1910) in Allegheny, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
Mary Leahy
Head · 1910 · age 44 · b. ~1866 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — Allegheny, Pennsylvania
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1910 US Federal Census — Allegheny, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po1302unit:0520)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gustav Schlot | 19 | Head | Apprentice | Pennsylvania |
| 2 | Emma Schlot | 10 | Daughter | — | Pennsylvania |
| 3 | Mary Leahy THIS PERSON | 44 | Head | — | Ireland |
| 4 | Thomas Leahy | 16 | Son | Driver Helper | Pennsylvania |
| 5 | Margaret Leahy | 15 | Daughter | — | Pennsylvania |
| 6 | Francis Leahy | 13 | Son | — | Pennsylvania |
| 7 | Anna Leahy | 11 | Daughter | — | Pennsylvania |
| 8 | Mary Thoma | 62 | Head | — | Germany |
| 9 | Leonard Hoffman | 41 | Head | Moulder | Holland |
| 10 | Katherine Hoffman | 45 | Wife | — | Germany |
| 11 | Hugo Hoffman | 19 | Son | Apprentice | Germany |
| 12 | Leonard Hoffman | 13 | Son | — | Pennsylvania |
| 13 | Albert Hoffman | 11 | Son | — | Pennsylvania |
| 14 | Katy Hoffman | 9 | Daughter | — | Pennsylvania |
| 15 | Harry Hoffman | 7 | Son | — | Pennsylvania |
| 16 | James A. Green | 52 | Head | Laborer | Virginia |
| 17 | Harriet E. Green | 55 | Wife | Cook | Virginia |
| 18 | Matthew Harris | 58 | Head | Teamster | Virginia |
| 19 | Annie Harris | 40 | Wife | — | Virginia |
| 20 | Jerry E. Fields | 30 | Boarder | Teamster | Virginia |
| 21 | James Hunt | 40 | Head | Janitor | North Carolina |
| 22 | Jane Hunt | 37 | Wife | — | North Carolina |
| 23 | Mary Hunt | 10 | Daughter | — | Massachusetts |
| 24 | Carrie Hunt | 7 | Daughter | — | Pennsylvania |
| 25 | Daniel Hunt | 5 | Son | — | Pennsylvania |
| 26 | Hazel Hunt | 4 | Daughter | — | Pennsylvania |
| 27 | James Johnson | 30 | Head | Laborer | Virginia |
| 28 | Mary Johnson | 24 | Wife | Laundress | Virginia |
| 29 | Maggie Johnson | 6 | Daughter | — | Pennsylvania |
| 30 | Mary Johnson | 4 | Daughter | — | Pennsylvania |
| 31 | Robert Thacker | 37 | Head | Laborer | North Carolina |
| 32 | Lucy Thacker | 28 | Wife | — | Virginia |
| 33 | Uzziel Thacker | 10 | Son | — | Pennsylvania |
| 34 | Herman Thacker | 6 | Son | — | Pennsylvania |
| 35 | Myrl Thacker | 0 | Son | — | Pennsylvania |
| 36 | Maria Anderson | 42 | Head | Laundress | Virginia |
| 37 | Mosella Anderson | 11 | Daughter | — | Virginia |
| 38 | Paul Jones | 38 | Head | Laborer | North Carolina |
| 39 | Ella L. Jones | 32 | Wife | — | North Carolina |
| 40 | Green Green | 64 | Father in law | — | North Carolina |
| 41 | Ruth P. Green | 23 | Sister in law | Laundress | North Carolina |
| 42 | W. C. George | 40 | Head | Contractor | Pennsylvania |
| 43 | Mary George | 41 | Wife | — | Pennsylvania |
| 44 | William George | 12 | Son | — | Pennsylvania |
| 45 | Mary George | 9 | Daughter | — | Pennsylvania |
| 46 | Nade George | 6 | Daughter | — | Pennsylvania |
| 47 | John George | 39 | Brother | Contractor | Pennsylvania |
| 48 | Stewart Kyle | 47 | Head | Watchman | England |
| 49 | Margaret Kyle | 48 | Wife | — | England |
| 50 | Tillie Kyle | 23 | Daughter | Bookkeeper | England |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)