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Thomas Cox — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this Thomas Cox across the 1920, 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 6-person household.
Age 65
b. ~1875
Male
Head
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Cox |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth |
| 1935 Residence (County) | Union |
| Additional Details | |
| Hours Worked | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Elizabeth |
| Est. Birth Year | ~1875 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Neil Cummings | Other | — | 9 | ~1931 |
| Thomas Cox | Head | — | 65 | ~1875 |
| Ellen Cox | Spouse | — | 64 | ~1876 |
| Sarah Barist | Daughter | — | 41 | ~1899 |
| Thomas Cox | Son | — | 35 | ~1905 |
| Marie Cummings | Daughter | — | 30 | ~1910 |
Census Appearances
1920
Union, New …
Head, age 45
Union, New Jersey · implied b. ~1875 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Thomas H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Master Mechanic |
| Industry | Chemical Factory |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Union, New …
Head, age 55
Union, New Jersey · implied b. ~1875 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cox |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 25 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Machinist |
| Industry | Soda Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 6000 |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Head, age 65
Union-County, New Jersey · implied b. ~1875 — 6 household members
| Surname | Cox |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Elizabeth |
| 1935 Residence (County) | Union |
| Hours Worked | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| 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 Thomas Cox across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Cox
Head · 1940 · age 65 · b. ~1875 · New Jersey
★ 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 — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02398-00492)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Julia Mckenon | 65 | Sister | — | New York |
| 42 | Thomas Cox THIS PERSON | 65 | Head | — | New Jersey |
| 43 | Ellen Cox | 64 | Wife | — | New Jersey |
| 44 | Sarah Barist | 41 | Daughter | — | New Jersey |
| 45 | Thomas E. Cox | 35 | Son | Chauffeur | New Jersey |
| 46 | Marie Cummings | 30 | Daughter | Clerk | New Jersey |
| 47 | Neil Cummings | 9 | Grandson | — | New Jersey |
| 48 | Francis Reedy | 37 | Head | Stock Clerk | New Jersey |
| 49 | Florence Reedy | 37 | Wife | — | New Jersey |
| 50 | Marilyn Reedy | 15 | Daughter | — | New Jersey |
| 51 | Audrey Reedy | 13 | Daughter | — | New Jersey |
| 52 | Francis Jr. Reedy | 11 | Son | — | New Jersey |
| 53 | Archie Byrnes | 51 | Head | Chemical Operator | New Jersey |
| 54 | Mary Byrnes | 50 | Wife | — | New Jersey |
| 55 | Anton Jelinek | 58 | Head | Machinist | Czechoslovakia |
| 56 | Theresa Jelinek | 54 | Wife | — | Yugoslavia |
| 57 | Albert Jelinek | 32 | Son | Electrical Engineer | New Jersey |
| 58 | Steven Jelinek | 31 | Son | Laborer | New Jersey |
| 59 | Anthony Ballinger | 29 | Head | Waitress | New Jersey |
| 60 | Louis Mark Ballinger | 11 | Son | — | New York |
| 61 | Francis Daubner | 28 | Brother | Attendant | New Jersey |
| 62 | William J. Tillecker | 46 | Head | Fireman | New Jersey |
| 63 | Mary Tillecker | 48 | Wife | — | New Jersey |
| 64 | Andrew Tillecker | 21 | Son | Engineer | New Jersey |
| 65 | James Tillecker | 16 | Son | — | New Jersey |
| 66 | Gloria Tillecker | 13 | Daughter | — | New Jersey |
| 67 | Marie O'Brien | 41 | Head | Beautician | New Jersey |
| 68 | John Pollard | 26 | Son-in-law | Laborer | New Jersey |
| 69 | Geraldine Pollard | 21 | Daughter | — | New Jersey |
| 70 | Anthony Eilleder | 49 | Brother | Carpenter | New Jersey |
| 71 | John Simmons | 55 | Head | Machinist | Italy |
| 72 | Ada Simmons | 55 | Wife | — | Italy |
| 73 | Bessie Simmons | 22 | Daughter | Machine Operator | New Jersey |
| 74 | Martin Simmons | 18 | Son | New Worker | New Jersey |
| 75 | Salvatore Simmons | 15 | Son | — | New Jersey |
| 76 | John Poeltler | 30 | Head | Machine Operator | New Jersey |
| 77 | Genevieve Poeltler | 27 | Wife | — | Vermont |
| 78 | Shirley Poeltler | 8 | Daughter | — | New Jersey |
| 79 | Joyce Poeltler | 4 | Daughter | — | New Jersey |
| 80 | Margaret Fischer | 76 | Head | — | New York |
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)