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Theodore Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Union-County, New Jersey
Our Model Tree links this Theodore Williams across the 1920, 1930 and 1940 US Censuses in Union-County, New Jersey (XGBoost, ~Confirmed), with identified parents Alonza & Alvin — first a son (b.~1912), then head of a 4-person household.
Age 28
b. ~1912
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, New Jersey |
| Surname | Williams |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Roselle Borough |
| 1935 Residence (County) | Union |
| Additional Details | |
| Occupation | Producer |
| Industry | Oil |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Producer |
| Township / Ward | Roselle Borough |
| Est. Birth Year | ~1912 |
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 Theodore | Age | Birth yr |
|---|---|---|---|---|
| Grace Williams | Daughter | — | 18 | ~1922 |
| Theodore Williams | Son | — | 28 | ~1912 |
| Rose Williams | Spouse | — | 56 | ~1884 |
| Alvin Williams | Head | — | 56 | ~1884 |
Census Appearances
1920
Union, New …
Son, age 8
Union, New Jersey · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Union, New …
Son, age 18
Union, New Jersey · implied b. ~1912 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Union-County, New …
Son, age 28
Union-County, New Jersey · implied b. ~1912 — 4 household members
| Surname | Williams |
| Given Name | Theodore |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Roselle Borough |
| 1935 Residence (County) | Union |
| Occupation | Producer |
| Industry | Oil |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 Theodore Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alonza Williams (~0.92 confidence) and father Alvin Williams (~0.92 confidence) and father Alvin Williams (~0.92 confidence) and mother Dora Williams (~0.92 confidence) and mother Rose Williams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alonza Williams
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Alvin Williams
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Alvin Williams
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Dora Williams
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Rose Williams
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Theodore Williams
Son · 1940 · age 28 · b. ~1912 · New Jersey
★ You are viewing this record
Sibling
Grace Williams
Sibling · 1940 · age 18
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 — Union-County, New Jersey
Open full size
1940 US Federal Census — Union-County, New Jersey
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02388-00822)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald P. Dorne | 17 | Son | — | New York |
| 2 | William P. Dorne | 14 | Son | — | New York |
| 3 | Joyce M. Dorne | 4 | Daughter | — | New York |
| 4 | James E. Dorne | 3 | Son | — | New Jersey |
| 5 | Ralph G. Willey | 48 | Head | Radio Technician | Conn |
| 6 | Marguerite Willey | 43 | Wife | Housewife | France |
| 7 | Guy F. Willey | 20 | Son | — | New York |
| 8 | Jacqueline Willey | 14 | Daughter | — | New Jersey |
| 9 | Guy L. Willey | 71 | Father | Machinist | Massachusetts |
| 10 | Arthur Patterson | 37 | Head | Traveling Salesman | New Jersey |
| 11 | Dorothy Patterson | 35 | Wife | Housewife | New Jersey |
| 12 | Carl A. Patterson | 31 | Brother | Asst. Tax Collector | New Jersey |
| 13 | Adel S. Patterson | 69 | Mother | Housewife | New York |
| 14 | Z. Lawrence Griesemer | 53 | Head | Doctor | Pennsylvania |
| 15 | Sara Griesemer | 50 | Wife | Housewife | New Jersey |
| 16 | Lawrence Jr. Griesemer | 21 | Son | — | New Jersey |
| 17 | George H. Burt | 57 | Head | Secretary | Missouri |
| 18 | Helen Burt | 48 | Wife | Housewife | Rhode Island |
| 19 | George H. Jr. Burt | 15 | Son | — | New Jersey |
| 20 | Arthur H. Burt | 84 | Father | — | Michigan |
| 21 | Elizabeth Burt | 76 | Mother | — | New York |
| 22 | Roy Jenkins | 38 | Head | Purser | England |
| 23 | Elizabeth Jenkins | 37 | Wife | Secretary | Pennsylvania |
| 24 | Ann Jenkins | 1 | Daughter | — | New Jersey |
| 25 | Harriet Van Why | 69 | Mother-in-law | Housewife | New York |
| 26 | Wm. J. Wiel | 47 | Head | Foreman | Germany |
| 27 | Louise Wiel | 44 | Wife | Housewife | New Jersey |
| 28 | Wm. M. Wiel | 19 | Son | Attendant | New Jersey |
| 29 | Frederic Wiel | 16 | Son | — | New Jersey |
| 30 | John A. Wiel | 6 | Son | — | New Jersey |
| 31 | Alvin J. Williams | 56 | Head | Asst. Assessor | New Jersey |
| 32 | Rose Williams | 56 | Wife | Housewife | Pennsylvania |
| 33 | Theodore Williams THIS PERSON | 28 | Son | Producer | New Jersey |
| 34 | Grace A. Williams | 18 | Daughter | Operator | New Jersey |
| 35 | Timothy Sheehan | 33 | Head | Superintendent | Connecticut |
| 36 | Marjorie Sheehan | 28 | Wife | Housewife | Connecticut |
| 37 | Dennis Sheehan | 5 | Son | — | Massachusetts |
| 38 | Gregory Sheehan | 4 | Son | No | Mass |
| 39 | Brian Sheehan | 3 | Son | No | Mass |
Pedigree Summary
Theodore + 1 sibling
Gen 1 · 5 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)