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 1910, 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed), with identified parents Mary & Patrick — first a head (b.~1891), then head of a 4-person household.
Age 49
b. ~1891
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 | 49 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Kings |
| Additional Details | |
| Occupation | Plumber |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Plumber |
| Township / Ward | New York |
| Est. Birth Year | ~1891 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Fox | Head | — | 49 | ~1891 |
| Franklin Fox | Son | — | 14 | ~1926 |
| John Fox | Son | — | 18 | ~1922 |
| Helen Fox | Spouse | — | 35 | ~1905 |
Census Appearances
1910
New York, …
Son, age 19
New York, New York · implied b. ~1891 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Plumber |
| Industry | Shop |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1920
New York, …
Son, age 27
New York, New York · implied b. ~1893 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
New York, …
Other, age 38
New York, New York · implied b. ~1892 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | John |
| Relationship to Head | roomer |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | New York |
| Age at First Marriage | 31 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | operator |
| Industry | vacuum cleaner |
| 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 49
Kings-County, New York · implied b. ~1891 — 4 household members
| Surname | Fox |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | New York |
| 1935 Residence (City) | New York |
| 1935 Residence (County) | Kings |
| Occupation | Plumber |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 0 |
| 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 John Fox across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Fox (~0.92 confidence) and father Patrick Fox (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Fox
b. ~1869
Source mother
● Household
· direct · ~0.92
Father
Patrick Fox
b. ~1870
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Fox
Head · 1940 · age 49 · b. ~1891 · 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-t0627-02567-00869)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Catherine Byrne | 62 | Wife | — | New York |
| 42 | Mary Ward | 70 | Sister | Cashier | New York |
| 43 | John Ward | 38 | Nephew | Chauffeur | New York |
| 44 | John Byrne | 63 | Brother | — | New York |
| 45 | Patrick O'Brien | 64 | Lodger | — | New York |
| 46 | Alice O'Brien | 29 | Lodger | Typist | New York |
| 47 | Sten Lundberg | 59 | Head | Jeweler | Sweden |
| 48 | Selma Rosquist | 33 | Daughter | — | New York |
| 49 | Sten Lundberg | 31 | Son | Teller | New York |
| 50 | Howard Rosquist | 6 | Grandson | — | New York |
| 51 | Betty M. Rosquist | 4 | Granddaughter | — | New York |
| 52 | Herman Anderson | 70 | Head | Machinist | Norway |
| 53 | Mollie Anderson | 70 | Wife | — | Norway |
| 54 | Mary Kenny | 52 | Head | — | New York |
| 55 | John Kenny | 30 | Son | Attorney | New York |
| 56 | Edward Kenny | 29 | Son | Attorney | New York |
| 57 | Anna Kenny | 25 | Daughter | Clerk | New York |
| 58 | Joseph Kenny | 21 | Son | Clerk | New York |
| 59 | Kathleen Kenny | 17 | Daughter | — | New York |
| 60 | Morris Kenny | 27 | Daughter | Typist | New York |
| 61 | Michael Ward | 31 | Lodger | Plumber | Maryland |
| 62 | Marcus Hansen | 38 | Lodger | Captain | Norway |
| 63 | Roy Larsen | 21 | Lodger | Sailor | New York |
| 64 | Patrick Mcgarvey | 35 | Lodger | Repairman | New York |
| 65 | James Kerr | 57 | Head | Boilermaker | Scotland |
| 66 | Catherine Kerr | 55 | Wife | — | New York |
| 67 | Mildred Kerr | 23 | Daughter | Clerk | New York |
| 68 | Amerigo Opinante | 33 | Head | Longshoreman | New York |
| 69 | Madeline Opinante | 31 | Wife | — | New York |
| 70 | Nicholas Opinante | 8 | Son | — | New York |
| 71 | Erminia Opinante | 3 | Daughter | — | New York |
| 72 | John Fox THIS PERSON | 49 | Head | Plumber | New York |
| 73 | Helen Fox | 35 | Wife | — | New York |
| 74 | John Fox | 18 | Son | — | New York |
| 75 | Franklin Fox | 14 | Son | Accountant | New York |
| 76 | Lorna Norall | 35 | Head | — | Norway |
| 77 | Karl Norall | 30 | Son | Mate | Norway |
| 78 | Otto Christensen | 28 | Son | Seaman | Norway |
| 79 | Hans Christensen | 26 | Nephew | Seaman | Norway |
| 80 | Lodger William M. | None | M | — | — |
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)