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Mary Maher — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Mary Maher across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1866), then head of a 4-person household.
Age 74
b. ~1866
Female
Head
Born: Ireland
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Maher |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Additional Details | |
| Industry | H |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | New York 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Peter Doyle | Other | — | 56 | ~1884 |
| Edward Doherty | Other | — | 45 | ~1895 |
| Mary Maher | Head | — | 74 | ~1866 |
| Frank Timmins | Son | — | 41 | ~1899 |
Census Appearances
1920
Kings, New …
Head, age 49
Kings, New York · implied b. ~1871 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Maher |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Year of Immigration | 1892 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Kings, New …
Head, age 63
Kings, New York · implied b. ~1867
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Maher |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 63 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| Naturalization Status | Alien |
| Year of Immigration | 1890 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | Dept |
| Radio Set | R |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Kings-County, New …
Head, age 74
Kings-County, New York · implied b. ~1866 — 4 household members
| Surname | Maher |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 74 |
| Marital Status | Widowed |
| Birthplace | Ireland |
| 1935 Residence (City) | New York City |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Industry | H |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 74 · b. ~1866 · 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 — Kings-County, New York
Open full size
1940 US Federal Census — Kings-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02581-00275)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Thomas Russo | 31 | Head | Longshoreman | New York |
| 42 | Nancy Russo | 30 | Wife | — | Italy |
| 43 | Elaine Russo | 2 | Daughter | — | New York |
| 44 | Mary Maher THIS PERSON | 74 | Head | — | Ireland |
| 45 | Frank Timmins | 41 | Son | Costumer | New York |
| 46 | Peter Doyle | 56 | Boarder | Laborer | Ireland |
| 47 | Edward Doherty | 45 | Boarder | — | New York |
| 48 | Edith Wood | 43 | Head | — | New York |
| 49 | Marjorie Wood | 19 | Daughter | — | New York |
| 50 | Edward M. Ward | 43 | Head | Textile Worker | New York |
| 51 | Marietta Ward | 48 | Wife | — | New York |
| 52 | Joseph Castellano | 37 | Head | Grocery Store | New York |
| 53 | Susan Castellano | 33 | Wife | — | New York |
| 54 | Angelo De Santo | 32 | Head | Laborer | New York |
| 55 | Marie De Santo | 29 | Wife | — | New York |
| 56 | Rose De Santo | 3 | Daughter | — | New York |
| 57 | Ciro Salerno | 46 | Head | Contractor | Italy |
| 58 | Susan Salerno | 34 | Wife | — | New York |
| 59 | David Salerno | 14 | Son | — | New York |
| 60 | Vincent Salerno | 12 | Son | — | New York |
| 61 | Natale Cacciola | 51 | Head | Tailor | Italy |
| 62 | Marie Cacciola | 42 | Wife | — | Italy |
| 63 | Marjorie Cacciola | 22 | Daughter | New Worker | New York |
| 64 | Thomas Cacciola | 11 | Son | — | New York |
| 65 | Gerlando Salemi | 47 | Head | Laborer | Italy |
| 66 | Giacomina Salemi | 41 | Wife | — | Italy |
| 67 | Pasquale Salemi | 15 | Son | — | New York |
| 68 | Salvatore Vallone | 22 | Head | Elevator Operator | New York |
| 69 | Jennie Vallone | 19 | Wife | Laundress | New York |
| 70 | Patrick Cosentino | 29 | Head | Meter Reader | New York |
| 71 | Fay Cosentino | 25 | Wife | — | New York |
| 72 | Patricia Cosentino | 1 | Daughter | — | New York |
| 73 | Michael Fortunato | 28 | Head | Barber | Italy |
| 74 | Lucy Fortunato | 26 | Wife | — | New York |
| 75 | Peter Fortunato | 1 | Son | — | New York |
| 76 | Michele Engelbert | 70 | Head | — | Italy |
| 77 | Gaetano Sofia | 44 | Head | Chauffeur | Italy |
| 78 | Theresa Sofia | 36 | Wife | — | New York |
| 79 | Vincent Dattoli | 14 | Son | — | New York |
| 80 | Philomena Dattoli | 12 | Daughter | — | 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)