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Walter Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Joaquin-County, California
Our Model Tree links this Walter Williams across the 1920, 1930 and 1940 US Censuses in San-Joaquin-County, California (XGBoost, ~Confirmed), with identified parents Cotta & Etta — first a head (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Joaquin-County, California |
| Surname | Williams |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Lodi |
| 1935 Residence (County) | San Joaquin |
| Additional Details | |
| Occupation | Co-owner |
| Industry | Magazine Agency |
| Class of Worker | OA |
| Hours Worked | 5 |
| Income (1939) | 156 |
| Highest Grade | H 4 |
| 1935 Residence | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Co-Owner |
| Township / Ward | Stockton |
| Est. Birth Year | ~1910 |
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 Walter | Age | Birth yr |
|---|---|---|---|---|
| Carol Williams | Daughter | — | 3 | ~1937 |
| Walter Williams | Head | — | 30 | ~1910 |
| Walter Williams | Son | — | 6 | ~1934 |
| Ella Williams | Spouse | — | 27 | ~1913 |
Census Appearances
1920
San Joaquin, …
Son, age 10
San Joaquin, California · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Walter G |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Joaquin, …
Son, age 20
San Joaquin, California · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Walter S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Minnesota |
| Occupation | Truck Driver |
| Industry | Creamery Truck |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Joaquin-County, California
Head, age 30
San-Joaquin-County, California · implied b. ~1910 — 4 household members
| Surname | Williams |
| Given Name | Walter |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Lodi |
| 1935 Residence (County) | San Joaquin |
| Occupation | Co-owner |
| Industry | Magazine Agency |
| Class of Worker | OA |
| Hours Worked | 5 |
| Income (1939) | 156 |
| Highest Grade | H 4 |
| 1935 Residence | California |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Cotta Williams (~0.92 confidence) and mother Etta Williams (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Cotta Williams
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Etta Williams
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Walter Williams
Head · 1940 · age 30 · b. ~1910 · California
★ 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 — San-Joaquin-County, California
Open full size
1940 US Federal Census — San-Joaquin-County, California
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-00325-00722)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Claude Miller | 59 | Head | Salesman | California |
| 42 | Lydia Miller | 47 | Wife | Nurse | California |
| 43 | Fredrick Holden | 19 | Step-son | — | California |
| 44 | Warner Holden | 18 | Step-son | — | California |
| 45 | Lucien Carlson | 47 | Head | Optometrist | California |
| 46 | Florence Carlson | 31 | Wife | — | California |
| 47 | Analou Carlson | 3 | Daughter | — | California |
| 48 | Donalee Carlson | 1 | Daughter | — | California |
| 49 | Lloyd L. Brooks | 42 | Head | Principal | California |
| 50 | Alice Brooks | 37 | Wife | — | California |
| 51 | Palmer J. Parks | 68 | Father-in-law | — | Illinois |
| 52 | Emma E. Parks | 64 | Mother-in-law | — | California |
| 53 | Lloyd Bolin | 56 | Head | Elevator Inspector | Missouri |
| 54 | Ethel Bolin | 54 | Wife | — | California |
| 55 | Hans Loew | 31 | Lodger | Traveling Salesman | Germany |
| 56 | Italo Te | 42 | Head | Carpenter | Italy |
| 57 | Julia Te | 27 | Wife | — | Italy |
| 58 | Mary Te | 2 | Daughter | — | California |
| 59 | Robert J. Leighton | 49 | Head | Owner-Manager | South Dakota |
| 60 | Mollie Leighton | 46 | Wife | — | California |
| 61 | John Carman | 66 | Lodger | Superintendent | Illinois |
| 62 | Earl S. Yergin | 51 | Head | Trucker | Indiana |
| 63 | Ruth Yergin | 45 | Wife | — | Indiana |
| 64 | Robert Yergin | 20 | Son | Stencil Cutter | Ohio |
| 65 | Thomas J. Long | 50 | Head | Police Officer | Missouri |
| 66 | Elsie B. Long | 53 | Wife | — | Ohio |
| 67 | Clayton A. Long | 22 | Son | — | California |
| 68 | Elrey R. Hammond | 56 | Head | Salesman | California |
| 69 | Lillian Hammond | 43 | Wife | Saleslady | New Foundland |
| 70 | Cecil Hammond | 24 | Son | Shipping Clerk | California |
| 71 | Walter Williams THIS PERSON | 30 | Head | Co-Owner | California |
| 72 | Ella Williams | 27 | Wife | — | California |
| 73 | Walter Jr. Williams | 6 | Son | — | California |
| 74 | Carol Williams | 3 | Daughter | — | California |
| 75 | Fred W. Genuit | 59 | Head | Special Agent | California |
| 76 | Sophia Genuit | 50 | Wife | — | Panama |
| 77 | Walter Genuit | 21 | Son | — | Panama |
| 78 | Eve Marie Genuit | 19 | Daughter | — | Panama |
| 79 | Emeline Rose Genuit | 16 | Daughter | — | Panama |
Pedigree Summary
Walter
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)