TC
Thomas Callahan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this Thomas Callahan across the 1910, 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Anthony & Bertram — first a son (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Callahan |
| Given Name | Thomas (Ab) |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn Brough |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Dairy |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Chauffeur |
| Township / Ward | Brooklyn Brough |
| Est. Birth Year | ~1908 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Frances Callahan | Daughter | — | 17 | ~1923 |
| Thomas Callahan | Son | — | 32 | ~1908 |
| Agnes Callahan | Daughter | — | 21 | ~1919 |
| Mabel Callahan | Head | — | 53 | ~1887 |
Census Appearances
1910
Kings, New …
Son, age 2
Kings, New York · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Speaks English | English |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
Kings, New …
Son, age 12
Kings, New York · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Son, age 22
Kings, New York · implied b. ~1908 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Chauffeur |
| Industry | Truck |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Son, age 32
Kings-County, New York · implied b. ~1908 — 4 household members
| Surname | Callahan |
| Given Name | Thomas (Ab) |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn Brough |
| 1935 Residence (County) | Kings |
| Occupation | Chauffeur |
| Industry | Dairy |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| 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 Thomas Callahan across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Anthony Callahan (~0.92 confidence) and father Bertram Callahan (~0.92 confidence) and mother Mabel Callahan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Anthony Callahan
b. ~1886
Source father
● Household
· direct · ~0.92
Father
Bertram Callahan
b. ~1887
Source father
● Household
· direct · ~0.92
Mother
Mabel Callahan
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Callahan
Son · 1940 · age 32 · b. ~1908 · New York
★ You are viewing this record
Sibling
Agnes Callahan
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frances Callahan
Sibling · 1940 · age 17
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 — 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-t0627-02610-00218)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ransom B Carle | 53 | Head | Filing | New York |
| 2 | Marion E Carle | 18 | Daughter | Filing | New York |
| 3 | William S Carle | 15 | Son | — | New York |
| 4 | George Fitchner | 42 | Head | Auto Mechanic | New York |
| 5 | Gertrude Fitchner | 50 | Wife | — | New York |
| 6 | Earl Fitchner | 14 | Son | — | New York |
| 7 | Gertrude Fitchner | 11 | Daughter | — | New York |
| 8 | Florence Fitchner | 6 | Daughter | — | New York |
| 9 | Mabel Callahan | 53 | Head | — | New York |
| 10 | Thomas (Ab) Callahan THIS PERSON | 32 | Son | Chauffeur | New York |
| 11 | Agnes T Callahan | 21 | Daughter | Domestic | New York |
| 12 | Frances M Callahan | 17 | Daughter | Office Work | New York |
| 13 | Edward Rowley | 56 | Head | Boat Builder | Ohio |
| 14 | Pearl M Miller | 61 | Sister | Housework | Kentucky |
| 15 | Margaret R Rowley | 54 | Sister | — | New Jersey |
| 16 | Carl W Rowley | 38 | Nephew | Pump Operator | New York |
| 17 | Martin Kombrotte | 45 | Head | Carpenter | Norway |
| 18 | Theresa Kombrotte | 40 | Wife | — | Norway |
| 19 | Henning Kombrotte | 20 | Son | — | New York |
| 20 | Joan Kombrotte | 14 | Daughter | — | New York |
| 21 | Adam Schulty | 50 | Head | — | New York |
| 22 | Helen C Schulty | 24 | Daughter | Housework | New York |
| 23 | Edna Schulty | 22 | Daughter | Domestic | New York |
| 24 | Charles Schulty | 17 | Son | — | New York |
| 25 | Dorothy Schulty | 15 | Daughter | — | New York |
| 26 | Jessie Keneally | 37 | Head | Cleaner | Scotland |
| 27 | Dorothy Keneally | 13 | Daughter | — | New York |
| 28 | William Keneally | 12 | Son | — | New York |
| 29 | Jessie Rauchlan | 62 | Mother | — | Scotland |
| 30 | Reila Catrandaro | 73 | Head | — | New York |
| 31 | Seila | Catherine Catrandaro | 67 | Partner | — | New York |
| 32 | Katherine Volgt | 43 | Head | — | New York |
| 33 | Viola Volgt | 18 | Daughter | New Worker | New York |
| 34 | Catherine V Volgt | 14 | Daughter | — | New York |
| 35 | Thomas H Kelley | 60 | Head | Typesetter | New Jersey |
| 36 | Christina L Kelley | 50 | Wife | — | New York |
| 37 | Evelyn C Kelley | 22 | Daughter | Billing Clerk | New York |
| 38 | Alphonse Kelley | 17 | Son | Radio Mech | New York |
| 39 | Catherine M Kelley | 14 | Daughter | — | New York |
| 40 | Harry J Vail | 55 | Head | Salesman | New York |
Pedigree Summary
Thomas + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)