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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 1930 and 1940 US Censuses in Bronx-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1912), then head of a 8-person household.
Age 28
b. ~1912
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bronx-County, New York |
| Surname | Maher |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Additional Details | |
| Occupation | Typist |
| Industry | Automobile Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Typist |
| Township / Ward | New York City |
| Est. Birth Year | ~1912 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Joseph Maher | Son | — | 25 | ~1915 |
| Agnes Maher | Daughter | — | 21 | ~1919 |
| Margaret Maher | Daughter | — | 16 | ~1924 |
| James Maher | Son | — | 23 | ~1917 |
| Mary Maher | Daughter | — | 28 | ~1912 |
| Daniel Maher | Son | — | 20 | ~1920 |
| James Maher | Head | — | 54 | ~1886 |
| Delia Maher | Spouse | — | 55 | ~1885 |
Census Appearances
1930
Bronx, New …
Daughter, age 18
Bronx, New York · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maher |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Irish Free State |
| Occupation | Typist |
| Industry | Mail order |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Bronx-County, New …
Daughter, age 28
Bronx-County, New York · implied b. ~1912 — 8 household members
| Surname | Maher |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Bronx |
| Occupation | Typist |
| Industry | Automobile Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Maher
Daughter · 1940 · age 28 · b. ~1912 · New York
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Sibling
Daniel Maher
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Maher
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Maher
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Maher
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Maher
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
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
40 people indexed on this census page (nara:1940:m-t0627-02482-00545)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen Ortiz | 36 | Wife | — | Hungary |
| 42 | Marie Kuntz | 45 | Head | Teacher | New York |
| 43 | Rosa Kuntz | 72 | Mother | — | Connecticut |
| 44 | James Muir | 59 | Head | Superintendent | Scotland |
| 45 | Emily Muir | 54 | Wife | — | Maryland |
| 46 | John J. Muir | 31 | Son | Steamship Clerk | New York |
| 47 | John H. Muir | 4 | Grandson | — | New York |
| 48 | John M. Rev. Quinn | 54 | Head | Clergyman | New York |
| 49 | Vincent R. Campbell | 28 | Asst. Pastor | Clergyman | New York |
| 50 | Henry C. Breen | 46 | Asst. Priest | Clergyman | New York |
| 51 | Thomas Dion | 32 | Housekeeper | Chef | Massachusetts |
| 52 | Nora Dion | 30 | Housekeeper | Housekeeper | Irish Free State |
| 53 | Estelle Dion | 7 | Daughter | — | New Jersey |
| 54 | James Maher | 54 | Head | Water Tender | Irish Free State |
| 55 | Delia Maher | 55 | Wife | — | Irish Free State |
| 56 | Mary Maher THIS PERSON | 28 | Daughter | Typist | New York |
| 57 | Joseph Maher | 25 | Son | Elevator Oper | New York |
| 58 | James Maher | 23 | Son | Postal Clerk | New York |
| 59 | Agnes Maher | 21 | Daughter | — | New York |
| 60 | Daniel Maher | 20 | Son | Clerk | New York |
| 61 | Margaret Maher | 16 | Daughter | — | New York |
| 62 | John Hattrick | 66 | Head | — | Northern Ireland |
| 63 | Margaret E. Hattrick | 67 | Wife | — | England |
| 64 | Edwin Schmitt | 27 | Son-in-law | Asst. Superintendent | New York |
| 65 | Agnes Schmitt | 31 | Daughter | Steno-Typist | New York |
| 66 | Leonard F. Galasso | 39 | Head | Carpenter | New York |
| 67 | Angeline Galasso | 33 | Wife | — | New York |
| 68 | Joseph H. Galasso | 14 | Son | — | New York |
| 69 | Leonard Galasso | 10 | Son | — | New York |
| 70 | Arline Galasso | 3 | Daughter | — | New York |
| 71 | Josephine L. Persico | 20 | Niece | Factory Worker | New York |
| 72 | Thomas Guerra | 43 | Head | Rock Driller | Italy |
| 73 | Marie G. Guerra | 37 | Wife | — | Italy |
| 74 | Alfonso R. D'Andrea | 19 | Step-son | Mess. Walker | New York |
| 75 | Ends Here | None | Block | — | — |
| 76 | Henry Glatter | 37 | Head | Inspector | New York |
| 77 | Hermine Glatter | 36 | Wife | — | New York |
| 78 | Daughter Sandra | None | F | — | — |
| 79 | Henry Rapp | 61 | Head | Ice Man | Germany |
| 80 | Catherine Rapp | 58 | Wife | — | 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)