JF
John Fox — 1940 US Census Record
Model Tree available1940 United States Federal Census · Kings-County, New York
Our Model Tree links this John Fox across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Katherine & Catherine — first a head (b.~1909), then head of a 9-person household.
Age 31
b. ~1909
Male
Head
Born: New York
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Kings-County, New York |
| Surname | Fox |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Bklyn |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Chauffeur |
| Industry | Dept Store |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 800 |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Chauffeur |
| Township / Ward | New York City |
| Est. Birth Year | ~1909 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Joan Fox | Daughter | — | 4 | ~1936 |
| John Fox | Head | — | 31 | ~1909 |
| Florence Neer | Other | — | 37 | ~1903 |
| Frank De Gaeta | Other | — | 31 | ~1909 |
| Josephine Neerby | Other | — | 42 | ~1898 |
| Francis Neerby | Other | — | 49 | ~1891 |
| John Fox | Son | — | 6 | ~1934 |
| Norman Neer | Son | — | 13 | ~1927 |
| Mary Fox | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Kings, New …
Son, age 10
Kings, New York · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Kings, New …
Son, age 21
Kings, New York · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Clerk |
| Industry | Broker office |
| 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 …
Head, age 31
Kings-County, New York · implied b. ~1909 — 9 household members
| Surname | Fox |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | Bklyn |
| 1935 Residence (County) | Kings |
| Occupation | Chauffeur |
| Industry | Dept Store |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 800 |
| Highest Grade | No 3 |
| 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 John Fox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Katherine Fox (~0.92 confidence) and mother Catherine Fox (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Katherine Fox
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Catherine Fox
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Fox
Head · 1940 · age 31 · b. ~1909 · 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
39 people indexed on this census page (nara:1940:m-t0627-02582-00092)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Gesing | 51 | Wife | — | Poland |
| 2 | John Gesing | 27 | Son | Examiner | New York |
| 3 | Gene Gesing | 16 | Son | — | New York |
| 4 | Chester Gesing | 14 | Son | — | New York |
| 5 | Casimir Trepanowski | 46 | Head | Porter | Poland |
| 6 | Jane Trepanowski | 45 | Wife | — | Poland |
| 7 | Raymond Trepanowski | 23 | Son | Kitchen Man | New York |
| 8 | Francis Trepanowski | 19 | Son | Clerk | Michigan |
| 9 | Stella Trepanowski | 20 | Daughter | Waitress | Michigan |
| 10 | Henry Trepanowski | 15 | Son | — | Michigan |
| 11 | Joseph Trepanowski | 12 | Son | — | Michigan |
| 12 | Dolores Trepanowski | 10 | Daughter | — | Michigan |
| 13 | John O'Donnell | 47 | Head | Stone Rigger | New York |
| 14 | Mary O'Donnell | 38 | Wife | — | New York |
| 15 | John Jr. O'Donnell | 8 | Son | — | New York |
| 16 | Eugene O'Donnell | 6 | Son | — | New York |
| 17 | Eileen O'Donnell | 1 | Daughter | — | New York |
| 18 | Edward Cavanagh | 34 | Head | Barge Captain | Ireland |
| 19 | Helen Cavanagh | 27 | Wife | — | New York |
| 20 | Carol Cavanagh | 5 | Daughter | — | New York |
| 21 | Mary Cavanagh | 3 | Daughter | — | New York |
| 22 | Edward Cavanagh | 1 | Son | — | New York |
| 23 | Stephen O'Leary | 34 | Head | Furnace Operator | New York |
| 24 | Helen O'Leary | 24 | Wife | — | New York |
| 25 | Thomas O'Leary | 3 | Son | — | New York |
| 26 | Francis O'Leary | 1 | Son | — | New York |
| 27 | Mary Varan | 44 | Mother | Finisher | Portugal |
| 28 | George Varan | 22 | Son | Multigraph Op | Rhode Island |
| 29 | Everett Varan | 24 | Son | Messenger | New York |
| 30 | Joseph Varan | 15 | Son | — | New York |
| 31 | John Fox THIS PERSON | 31 | Head | Chauffeur | New York |
| 32 | Mary Fox | 25 | Wife | Operator | Penn. |
| 33 | John Jr. Fox | 6 | Son | — | New York |
| 34 | Joan Fox | 4 | Daughter | — | New York |
| 36 | Florence Neer | 37 | Mother | Waitress | New York |
| 37 | Norman Neer | 13 | Son | — | New York |
| 38 | Frank De Gaeta | 31 | Boarder | Chauffeur | New York |
| 39 | Francis Neerby | 49 | Lodger | — | New York |
| 40 | Josephine Neerby | 42 | Lodger | — | New York |
Pedigree Summary
John
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)