JC
James Callahan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this James Callahan across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Edward & Mary — first a head (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Callahan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Chauffer |
| Industry | Private Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Chauffer |
| Township / Ward | Brooklyn |
| Est. Birth Year | ~1905 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Alice Callahan | Spouse | — | 29 | ~1911 |
| James Callahan | Head | — | 35 | ~1905 |
| Charles Callahan | Son | — | 14 | ~1926 |
| James Callahan | Son | — | 4 | ~1936 |
Census Appearances
1920
Kings, New …
Son, age 12
Kings, New York · implied b. ~1908 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Calahan |
| Given Name | James |
| 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 | none |
| 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 23
Kings, New York · implied b. ~1907 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Chauffeur |
| Industry | Private |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Kings-County, New …
Head, age 35
Kings-County, New York · implied b. ~1905 — 4 household members
| Surname | Callahan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Brooklyn |
| 1935 Residence (County) | Kings |
| Occupation | Chauffer |
| Industry | Private Co |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 1200 |
| Highest Grade | No 8 |
| 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 James Callahan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Calahan (~0.92 confidence) and mother Mary Calahan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Calahan
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Mary Calahan
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Callahan
Head · 1940 · age 35 · b. ~1905 · New York
★ You are viewing this record
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-t0627-02610-00606)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Antonio Luliano | 34 | Head | Conductor | New York |
| 42 | Lena Luliano | 34 | Wife | — | New York |
| 43 | Rose Luliano | 14 | Daughter | — | New York |
| 44 | Pasquale Luliano | 13 | Son | — | New York |
| 45 | George Luliano | 10 | Son | — | New York |
| 46 | Antoinette Luliano | 9 | Daughter | — | New York |
| 47 | James Rivezzo | 47 | Head | Chauffer | Italy |
| 48 | Josephine Rivezzo | 44 | Wife | — | New York |
| 49 | Mildred Rivezzo | 23 | Daughter | New Worker | New York |
| 50 | Daniel Rivezzo | 21 | Son | Gas Station | New York |
| 51 | Frank Rivezzo | 18 | Son | New Worker | New York |
| 52 | James Jr. Rivezzo | 11 | Son | — | New York |
| 53 | Helen Rivezzo | 9 | Daughter | — | New York |
| 54 | Frances Rivezzo | 5 | Daughter | — | New York |
| 55 | Anthony Allicino | 37 | Brother in law | Shoe Shiner | New York |
| 56 | Jack Da Grosa | 46 | Head | Chauffer | New York |
| 57 | Margaret Da Grosa | 40 | Wife | Operator | Italy |
| 58 | Anthony Da Grosa | 21 | Son | Presser | New Jersey |
| 59 | Ida Da Grosa | 19 | Daughter | Operator | New Jersey |
| 60 | Frank Kelleher | 39 | Head | Office Wk | New York |
| 61 | Mary Kelleher | 36 | Wife | — | New Jersey |
| 62 | Gloria Kelleher | 10 | Daughter | — | New York |
| 63 | Clement K Bailey | 26 | Head | Chauffer | New York |
| 64 | Catherine Bailey | 24 | Wife | — | New York |
| 65 | Ruth Bailey | 2 | Daughter | — | New York |
| 66 | George Minno | 32 | Head | — | New York |
| 67 | Arthur Minno | 12 | Son | — | New York |
| 68 | Jean Minno | 10 | Daughter | — | New York |
| 69 | Harold Peters | 33 | Head | Policeman | New York |
| 70 | Margaret Peters | 27 | Wife | — | New York |
| 71 | Theresa Peters | 10 | Daughter | — | New York |
| 72 | Joan Peters | 9 | Daughter | — | New York |
| 73 | Dolores Peters | 8 | Daughter | — | New York |
| 74 | Rosemary Peters | 1 | Daughter | — | New York |
| 75 | James Callahan THIS PERSON | 35 | Head | Chauffer | New York |
| 76 | Alice Callahan | 29 | Wife | — | New York |
| 77 | Charles Callahan | 14 | Son | — | New York |
| 78 | James Callahan | 4 | Son | — | New York |
| 79 | John Lohmann | 70 | Head | Butcher | Germany |
| 80 | Jardin, Helen Lohmann | 23 | Daughter | — | New York |
Pedigree Summary
James
Gen 1 · 2 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)