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Mary Leahy — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this Mary Leahy across the 1900 and 1910 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed) — first a spouse (b.~1873), then head of a 6-person household.
Age 37
b. ~1873
Female
Spouse
Born: Massachusetts
Married
1910 Census Record Details
| Census Year | 1910 |
| Location | Middlesex, Massachusetts |
| Surname | Leahy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Years Married | 15 |
| Children Born | 6 |
| Children Living | 4 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Newton City |
| Est. Birth Year | ~1873 |
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.
6 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Annie Leahy | Daughter | — | 1 | ~1909 |
| Edward Leahy | Daughter | — | 8 | ~1902 |
| Edward Leahy | Head | — | 40 | ~1870 |
| Alice Leahy | Daughter | — | 5 | ~1905 |
| Margaret Leahy | Daughter | — | 11 | ~1899 |
| Mary Leahy | Spouse | — | 37 | ~1873 |
Census Appearances
1900
Middlesex, Massachusetts
Spouse, age 27
Middlesex, Massachusetts · implied b. ~1873 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Leahy |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Birth Month | Oct |
| Birth Year | 1873 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1910
Middlesex, Massachusetts
Spouse, age 37
Middlesex, Massachusetts · implied b. ~1873 — 6 household members
| Surname | Leahy |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Years Married | 15 |
| Children Born | 6 |
| Children Living | 4 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Middlesex, Massachusetts, using XGBoost record linkage.
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This person
Anchor record
Mary Leahy
Spouse · 1910 · age 37 · b. ~1873 · Massachusetts
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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 — Middlesex, Massachusetts
Open full size
1910 US Federal Census — Middlesex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po603unit:0086)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Charles Manning | 14 | Son | — | Massachusetts |
| 52 | Frank Manning | 13 | Son | — | Massachusetts |
| 53 | Walter Manning | 11 | Son | — | Massachusetts |
| 54 | Michael Lucey | 50 | Head | Gardener | Ireland |
| 55 | Mary Lucey | 31 | Wife | — | Ireland |
| 56 | Edward Leahy | 40 | Head | Laborer | Massachusetts |
| 57 | Mary Leahy THIS PERSON | 37 | Wife | — | Massachusetts |
| 58 | Margaret Leahy | 11 | Daughter | — | Massachusetts |
| 59 | Edward Leahy | 8 | Daughter | — | Massachusetts |
| 60 | Alice Leahy | 5 | Daughter | — | Massachusetts |
| 61 | Annie Leahy | 1 | Daughter | — | Massachusetts |
| 62 | James O'Moran | 55 | Head | — | Ireland |
| 63 | Annie O'Moran | 40 | Wife | — | Ireland |
| 64 | Gertrude O'Moran | 15 | Daughter | — | Massachusetts |
| 65 | Helen O'Moran | 12 | Daughter | — | Massachusetts |
| 66 | John O'Moran | 10 | Son | — | Massachusetts |
| 67 | Paul O'Moran | 7 | Son | — | Massachusetts |
| 68 | Annie O'Moran | 5 | Daughter | — | Massachusetts |
| 69 | James O'Moran | 1 | Son | — | Massachusetts |
| 70 | Daniel Mcnamara | 50 | Head | — | Ireland |
| 71 | Hannah L. Mcnamara | 53 | Wife | — | Ireland |
| 72 | Nora Mcnamara | 57 | Sister-in-law | — | Ireland |
| 73 | James Lucey | 21 | Hired man | Laborer | Ireland |
| 74 | Maurice Lucey | 19 | Hired man | Laborer | Ireland |
| 75 | Mary E. White | 41 | Lodger | Comptometer | Canada English |
| 76 | Joseph Tetreault | 45 | Head | — | Vermont |
| 77 | Amelia Tetreault | 50 | Wife | — | Vermont |
| 78 | Regina Blake | 56 | Head | — | New Hampshire |
| 79 | Charlotte Blake | 18 | Daughter | Twister | Massachusetts |
| 80 | John Kelley | 51 | Head | Cut. Upper | Ireland |
| 81 | Mary Kelley | 50 | Wife | — | Ireland |
| 82 | John Jr. Kelley | 16 | Son | — | Massachusetts |
| 83 | Charles Kelley | 10 | Daughter | — | Massachusetts |
| 84 | Mary Kelley | 5 | Daughter | — | Massachusetts |
| 85 | Jerry Callahan | 54 | Head | — | Massachusetts |
| 86 | Mary Callahan | 42 | Wife | — | Ireland |
| 87 | William J. Callahan | 15 | Son | — | Massachusetts |
| 88 | Arthur F. Callahan | 7 | Son | — | Massachusetts |
| 89 | Mary F. Callahan | 1 | Daughter | — | Massachusetts |
| 90 | Mary Ross | 52 | Head | — | Massachusetts |
| 91 | Sarah Catherine Ross | 54 | Sister | — | Massachusetts |
| 92 | John James Ross | 42 | Brother | Electrician | Massachusetts |
| 93 | James Dunn | 76 | Head | Letter Carrier | Massachusetts |
| 94 | Julia Dunn | 67 | Wife | — | Massachusetts |
| 95 | Alice J. Dunn | 19 | Daughter | — | Massachusetts |
| 96 | William Dunn | 11 | Grandson | — | Massachusetts |
| 97 | Thomas Morris | 38 | Head | — | Ireland |
| 98 | Annie Morris | 34 | Wife | — | Ireland |
| 99 | Thomas Morris | 10 | Son | — | Massachusetts |
| 100 | Alice Morris | 7 | Daughter | — | Massachusetts |
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)