TC
Thomas Callahan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Thomas Callahan across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 5-person household.
Age 60
b. ~1880
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Callahan |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | H 4 |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Thomas Callahan | Head | — | 60 | ~1880 |
| Elizabeth Callahan | Spouse | — | 57 | ~1883 |
| James Callahan | Son | — | 21 | ~1919 |
| Matthew Callahan | Son | — | 25 | ~1915 |
| Thomas Callahan | Son | — | 23 | ~1917 |
Census Appearances
1920
New York, …
Other, age 40
New York, New York · implied b. ~1880 — 15 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | Thomas |
| Relationship to Head | Brother |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1904 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Night Superintendent |
| Industry | Apartment House |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Year of Naturalization | 1911 |
| Birthplace (normalized) | ireland |
1930
New York, …
Head, age 49
New York, New York · implied b. ~1881 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1904 |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Porter |
| Industry | Bakery |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 25 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Kings-County, New …
Head, age 60
Kings-County, New York · implied b. ~1880 — 5 household members
| Surname | Callahan |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Kings |
| Naturalization Status | Naturalized |
| Highest Grade | H 4 |
| 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 Thomas Callahan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Callahan
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 — 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-t0627-02562-00255)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Margaret Bregoli | 7 | Daughter | — | New York |
| 2 | John Bregoli | 5 | Son | — | New York |
| 3 | Adrian Bregoli | 2 | Son | — | New York |
| 4 | John O'Grady | 45 | Head | Superintendent | Russia |
| 5 | Michael Kenny | 54 | Head | Barber | New York |
| 6 | Mary Kenny | 54 | Wife | — | Ireland |
| 7 | Daniel Donovan | 31 | Step son | Helper | New York |
| 8 | Thomas Callahan THIS PERSON | 60 | Head | — | Ireland |
| 9 | Elizabeth Callahan | 57 | Wife | — | Ireland |
| 10 | Matthew Callahan | 25 | Son | Bartender | New York |
| 11 | Thomas Callahan | 23 | Son | Mechanic | New York |
| 12 | James Callahan | 21 | Son | — | New York |
| 13 | James Foley | 69 | Head | Pension | New York |
| 14 | George Gaffney | 65 | Lodger | Retired | Penns. |
| 15 | Patrick Dugan | 48 | Lodger | Mechanic | New York |
| 16 | John Mchugh | 40 | Head | Pipe Fitter | Ireland |
| 17 | Helen Mchugh | 40 | Wife | — | Ireland |
| 18 | Mary Mchugh | 12 | Daughter | — | New York |
| 19 | James Mchugh | 10 | Son | — | New York |
| 20 | Margaret Mchugh | 7 | Daughter | — | New York |
| 21 | Francis Price | 51 | Head | Engineer | England |
| 22 | Florence Price | 40 | Wife | — | England |
| 23 | Francis Price | 18 | Son | Helper | New York |
| 24 | Cecil Price | 9 | Daughter | — | New York |
| 25 | William Price | 6 | Son | — | New York |
| 26 | John Devivo | 78 | Head | Pump Man | New York |
| 27 | Anna Devivo | 78 | Wife | — | New York |
| 28 | Joseph Mccallion | 59 | Head | Laborer | Ireland |
| 29 | Margaret Mccallion | 41 | Wife | — | Ireland |
| 30 | John Joseph Mccallion | 20 | Son | Mess. Worker | New York |
| 31 | James Francis Mccallion | 18 | Son | Mess. Worker | New York |
| 32 | Margaret Crowley | 78 | Head | Pension | England |
| 33 | Richard Wilson | 40 | Head | Laborer | New York |
| 34 | Wilson | 48 | Wife | — | Conn. |
| 35 | John Wilson | 23 | Son | Mess. Worker | New York |
| 36 | Isabella Wilson | 20 | Daughter | Mess. Worker | New York |
| 37 | Thomas Wilson | 17 | Son | Mess. Worker | New York |
| 38 | Lillian Wilson | 12 | Daughter | — | New York |
| 39 | Margaret Wilson | 10 | Daughter | — | New York |
| 40 | James Finley | 45 | Lodger | Helper | 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)