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Mary Maher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bronx-County, New York
Our Model Tree links this Mary Maher across the 1920, 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 4-person household.
Age 60
b. ~1880
Female
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | Maher |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Naturalization Status | First papers filed |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | New York |
| Est. Birth Year | ~1880 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Rose Maher | Daughter | — | 22 | ~1918 |
| Mary Maher | Head | — | 60 | ~1880 |
| Catherine Maher | Daughter | — | 28 | ~1912 |
| Thomas Maher | Son | — | 24 | ~1916 |
Census Appearances
1920
Bronx, New …
Head, age 37
Bronx, New York · implied b. ~1883 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maher |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1910 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Janitor |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Eng |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1916 |
| Birthplace (normalized) | ireland |
1930
Bronx, New …
Head, age 50
Bronx, New York · implied b. ~1880 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maher |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | agent |
| Industry | New York Cent |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Value / Rent | O |
| Radio Set | 9,000 |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Bronx-County, New …
Head, age 60
Bronx-County, New York · implied b. ~1880 — 4 household members
| Surname | Maher |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Bronx |
| Naturalization Status | First papers filed |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| 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 Maher across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Maher
Head · 1940 · age 60 · b. ~1880 · New York
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Bronx-County, New York
Open full size
1940 US Federal Census — Bronx-County, New York
Page Contents
33 people indexed on this census page (nara:1940:m-t0627-02469-00369)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rose Hajdu | 41 | Wife | Sales Lady | Hungary |
| 42 | Paul Hajdu | 21 | Son | Sales Lady | Colorado |
| 43 | Lillian Hajdu | 19 | Daughter | — | Colorado |
| 44 | Robert Hajdu | 17 | Son | Office Boy | New Jersey |
| 45 | Vivienne Hajdu | 11 | Daughter | — | New Jersey |
| 46 | Mary Maher THIS PERSON | 60 | Head | — | Ireland |
| 47 | Catherine Maher | 28 | Daughter | Clerk | New York |
| 48 | Thomas Maher | 24 | Son | Clerk | New York |
| 49 | Rose Maher | 22 | Daughter | — | New York |
| 50 | Gary Kelly | 64 | Head | — | Massachusetts |
| 51 | Rose Kelly | 58 | Wife | — | Ireland |
| 52 | Gary Jr Kelly | 28 | Son | — | New York |
| 53 | Thomas Kelly | 25 | Son | Hotel Clerk | New York |
| 54 | Catherine Kelly | 22 | Daughter | Telephone Operator | New York |
| 55 | John Ryan | 30 | Head | Chauffer | New York |
| 56 | Helen Ryan | 27 | Wife | — | New York |
| 57 | John Ryan | 5 | Son | — | New York |
| 58 | Hector Renke | 59 | Head | Floorman | New York |
| 59 | Dorothea Renke | 54 | Wife | — | New York |
| 60 | George Renke | 22 | Son | Office Worker | New York |
| 61 | John Ferguson | 26 | Lodger | Office Worker | Texas |
| 62 | Henry Ropke | 58 | Head | Butcher | Germany |
| 63 | Anna Ropke | 51 | Wife | — | New York |
| 64 | Elizabeth Ropke | 46 | Daughter | — | Germany |
| 65 | Johanna Runan | 77 | Head | — | Connecticut |
| 66 | Elizabeth Huneke | 67 | Head | — | Germany |
| 67 | Charles Apmann | 69 | Lodger | — | Germany |
| 68 | Charles Senninger | 72 | Head | — | New York |
| 69 | Rose Senninger | 66 | Wife | — | Austria |
| 70 | Rose Senninger | 46 | Daughter | — | New York |
| 71 | Anna Dohne | 64 | Head | — | New York |
| 72 | Sophie Dohne | 62 | Sister | — | New York |
| 73 | Catherine Dohne | 71 | Sister | — | New York |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)