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Walter Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Walter Williams across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed), with identified parents Sena & Lena — first a son (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Son
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Williams |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Additional Details | |
| Occupation | Book-Keeper |
| Industry | Refrigeration Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 936 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Book-Keeper |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1915 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Walter | Age | Birth yr |
|---|---|---|---|---|
| Harrison Williams | Head | — | 50 | ~1890 |
| Walter Williams | Son | — | 25 | ~1915 |
| Lena Williams | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Mercer, New …
Son, age 5
Mercer, New Jersey · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Mercer, New …
Son, age 15
Mercer, New Jersey · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Walker |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Son, age 25
Mercer-County, New Jersey · implied b. ~1915 — 3 household members
| Surname | Williams |
| Given Name | Walter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Trenton City |
| 1935 Residence (County) | Mercer |
| Occupation | Book-Keeper |
| Industry | Refrigeration Plant |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 936 |
| Highest Grade | Hs 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 Walter Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Sena Williams (~0.92 confidence) and mother Lena Williams (~0.92 confidence) and mother Lena Williams (~0.92 confidence) and father Harrison Williams (~0.92 confidence) and father Harrison Williams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Sena Williams
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Lena Williams
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Lena Williams
b. ~1889
Source mother
● Household
· direct · ~0.92
Father
Harrison Williams
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Harrison Williams
b. ~1890
Source father
● Household
· direct · ~0.92
This person
Anchor record
Walter Williams
Son · 1940 · age 25 · b. ~1915 · 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 — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02437-00251)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Perrott | 24 | Daughter | Junior Assi. | Pennsylvania |
| 2 | Richard Harris | 37 | Lodger | Manager | New Jersey |
| 3 | John Q. Stonaker | 70 | Head | — | New Jersey |
| 4 | Donald Morgan | 21 | Son-in-law | Glasser | New Jersey |
| 5 | Margaret Morgan | 24 | Daughter | — | New Jersey |
| 6 | William Morgan | 3 | Grandson | — | New Jersey |
| 7 | Harrison R. Williams | 50 | Head | Tool-Maker | New Jersey |
| 8 | Lena Williams | 51 | Wife | — | New Jersey |
| 9 | Walter Williams THIS PERSON | 25 | Son | Book-Keeper | New Jersey |
| 10 | Gertrude Sperling | 47 | Head | Clerk | Kansas |
| 11 | Angie B. Brearley | 55 | Head | — | New Jersey |
| 12 | Russell Cooney | 45 | Head | Letter-Carrier | New Jersey |
| 13 | Mae Cooney | 40 | Wife | — | New Jersey |
| 14 | Margaret Cooney | 18 | Daughter | — | New Jersey |
| 15 | Frances Cooney | 13 | Son | — | New Jersey |
| 16 | Ellwood Cooney | 76 | Father | — | New York |
| 17 | John C. Vaycock | 26 | Head | Clerk | New Jersey |
| 18 | Marion Vaycock | 25 | Wife | — | Scotland |
| 19 | John C. Jr. Vaycock | 2 | Son | — | New Jersey |
| 20 | David Bruce Vaycock | 0 | Son | — | New Jersey |
| 21 | Ida Livingston | 68 | Lodger | Secretary | New Jersey |
| 22 | James Whelan | 65 | Head | Chauffeur | Irish Free State |
| 23 | Mary Whelan | 65 | Wife | — | Irish Free State |
| 24 | Elizabeth Whelan | 40 | Daughter | — | New Jersey |
| 25 | Katherine Whelan | 35 | Daughter | Stenographer | New Jersey |
| 26 | John Whelan | 31 | Son | Laborer | New Jersey |
| 27 | Esther Deegan | 66 | Sister-in-law | — | Irish Free State |
| 28 | Wayne Davis | 32 | Head | Salesman | New Jersey |
| 29 | Dorothy Davis | 30 | Wife | Sec-Steno | New Jersey |
| 30 | John Davis | 27 | Brother | Floor-Man | New Jersey |
| 31 | Here End Block 10 And Begins Block 11 | None | — | — | — |
| 32 | Levie Morris | 75 | Head | — | New Jersey |
| 33 | Martha Morris | 74 | Wife | — | Pennsylvania |
| 34 | Walter Vasuyck | 64 | Head | Salesman | New Jersey |
| 35 | Bessie Vasuyck | 57 | Wife | — | New Jersey |
| 36 | Anna Vasuyck | 86 | Mother | — | Pennsylvania |
| 37 | Emma Miller | 75 | Head | — | New Jersey |
| 38 | Mattie Mead | 56 | Nurse | Nurse-Maid | New Jersey |
| 39 | Claude C. Phillips | 75 | Head | — | New Jersey |
| 40 | George Phillips | 43 | Son | — | New Jersey |
Pedigree Summary
Walter
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)