JF
James Fox — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Essex-County, New Jersey
Our Model Tree links this James Fox across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, New Jersey |
| Surname | Fox |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 6 |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Newark |
| Est. Birth Year | ~1928 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Helen Fox | Daughter | — | 11 | ~1929 |
| Mary Fox | Daughter | — | 6 | ~1934 |
| Margaret Fox | Daughter | — | 5 | ~1935 |
| Anita Fox | Daughter | — | 1 | ~1939 |
| Florence Fox | Daughter | — | 15 | ~1925 |
| James Fox | Head | — | 41 | ~1899 |
| Ellen Smith | Other | — | 76 | ~1864 |
| James Fox | Son | — | 12 | ~1928 |
| Richard Fox | Son | — | 16 | ~1924 |
| Michael Fox | Son | — | 8 | ~1932 |
| Helen Fox | Spouse | — | 38 | ~1902 |
Census Appearances
1930
Essex, New …
Son, age 1
Essex, New Jersey · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Fox |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Essex-County, New …
Son, age 12
Essex-County, New Jersey · implied b. ~1928 — 11 household members
| Surname | Fox |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Newark |
| Industry | 0 |
| Highest Grade | No 6 |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Fox across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Fox
Son · 1940 · age 12 · b. ~1928 · New Jersey
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Sibling
Florence Fox
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Fox
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Fox
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anita Fox
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Michael Fox
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Fox
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Fox
Sibling · 1940 · age 11
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 — Essex-County, New Jersey
Open full size
1940 US Federal Census — Essex-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02420-00342)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Purchell | 25 | Daughter | Hygiene Tube | New Jersey |
| 2 | Mary Przygoda | 53 | Head | H | Poland |
| 3 | Josephine Przygoda | 27 | Daughter | Paper | New Jersey |
| 4 | Anna Przygoda | 23 | Daughter | Paper | New Jersey |
| 5 | Helen Przygoda | 21 | Daughter | Paper | New Jersey |
| 6 | Sophia Przygoda | 17 | Daughter | Paper | New Jersey |
| 7 | Edward Przygoda | 15 | Son | S | New Jersey |
| 8 | Stanley Przygoda | 13 | Son | — | New Jersey |
| 9 | Bernice Przygoda | 12 | Daughter | — | New Jersey |
| 10 | James Fox | 41 | Head | Newark, N.J. | New Jersey |
| 11 | Helen Fox | 38 | Wife | H | New Jersey |
| 12 | Richard Fox | 16 | Son | — | New Jersey |
| 13 | Florence Fox | 15 | Daughter | S | New Jersey |
| 14 | James Jr. Fox THIS PERSON | 12 | Son | — | New Jersey |
| 15 | Helen Fox | 11 | Daughter | — | New Jersey |
| 16 | Mary Ann Fox | 6 | Daughter | — | New Jersey |
| 17 | Margaret Fox | 5 | Daughter | — | New Jersey |
| 18 | Anita Claire Fox | 1 | Daughter | — | New Jersey |
| 19 | Michael Fox | 8 | Son | — | New Jersey |
| 20 | Ellen Smith | 76 | Mother | U | New Jersey |
| 21 | Burton Cliff | 62 | Head | 3 | Pennsylvania |
| 22 | Helen Cliff | 62 | Wife | H | Ireland |
| 23 | Francis Cliff | 30 | Son | W.P.A. | New Jersey |
| 24 | — | None | — | — | — |
| 25 | — | None | — | — | — |
| 26 | P. Louis Helms | 44 | Head | Hyatt Roller Bear. | New Jersey |
| 27 | Hannah Helms | 42 | Wife | H | New Jersey |
| 28 | Wilson H. Helms | 14 | Nephew | S | New Jersey |
| 29 | A. John Castiaux | 76 | Father-in-law | U | New Jersey |
| 30 | Catherine Fitzsimons | 82 | Head | Washer Co. | New Jersey |
| 31 | Gaskill Irene Fitzsimons | 42 | Daughter | Private Home | New Jersey |
| 32 | Garty Ellen Fitzsimons | 45 | Daughter | Private Home | New Jersey |
| 33 | John Smith | 44 | Son | Celluloid Co. | New Jersey |
| 34 | Paul Andrews | 55 | Head | Sewing Mach. | Lithuania |
| 35 | Sophia Andrews | 48 | Wife | H | Lithuania |
| 36 | Helen Andrews | 25 | Daughter | Office | New Jersey |
| 37 | Mary Andrews | 24 | Daughter | Office | New Jersey |
| 38 | Alexander Andrews | 22 | Son | — | New Jersey |
| 39 | J. Peter Bushaner | 44 | Head | Auto Repair | New Jersey |
| 40 | Florence Bushaner | 44 | Wife | H | New Jersey |
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)