WP
William Perry — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this William Perry across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents Willard & Lillian — first a head (b.~1895), then head of a 4-person household.
Age 45
b. ~1895
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Perry |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Eden Township |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Occupation | Rancher |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Rancher |
| Township / Ward | Eden Township |
| Est. Birth Year | ~1895 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Perry | Head | — | 45 | ~1895 |
| Helen Perry | Other | — | 22 | ~1918 |
| Wilbert Perry | Son | — | 21 | ~1919 |
| Alice Perry | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Alameda, California
Son, age 23
Alameda, California · implied b. ~1897 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | Willard M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Occupation | Driver |
| Industry | Laundry Wagon |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Son, age 34
Alameda, California · implied b. ~1896 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perry |
| Given Name | Willard H |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Rhode Island |
| Mother's Birthplace | Rhode Island |
| Occupation | laundry driver |
| Industry | laundry |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | Yes WW |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Head, age 45
Alameda-County, California · implied b. ~1895 — 4 household members
| Surname | Perry |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Eden Township |
| 1935 Residence (County) | Alameda |
| Occupation | Rancher |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| 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 William Perry across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Willard Perry (~0.92 confidence) and mother Lillian Perry (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Willard Perry
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Lillian Perry
b. ~1862
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Perry
Head · 1940 · age 45 · b. ~1895 · 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 — Alameda-County, California
Open full size
1940 US Federal Census — Alameda-County, California
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-00185-00526)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Adelade Brietto | 13 | daughter | — | California |
| 2 | Joan Brietto | 8 | daughter | — | California |
| 3 | Santiago Estrada | 42 | Head | Laborer | Mexico |
| 4 | Peter Vogelsang | 76 | Head | Rancher | Denmark |
| 5 | Marie Vogelsang | 45 | daughter | — | California |
| 6 | Manuel Souza | 35 | Head | Rancher | California |
| 7 | Madeline Souza | 33 | wife | — | California |
| 8 | Alberta Souza | 8 | daughter | — | California |
| 9 | Raymond Souza | 10 | son | — | California |
| 10 | Joe Testerman | 37 | Head | Welder | Idaho |
| 11 | Capitola Testerman | 40 | wife | — | Missouri |
| 12 | Billy Testerman | 14 | son | — | Wyoming |
| 13 | Bob Testerman | 10 | son | — | Wyoming |
| 14 | Ben Moreira | 58 | Head | Farmer | Azores |
| 15 | Rachel Moreira | 53 | wife | Make Mops | California |
| 16 | Geneve Moreira | 15 | daughter | — | California |
| 17 | Edward Moreira | 25 | son | Cannery Worker | California |
| 18 | Evelyn Moreira | 22 | daughter in law | Cannery Worker | California |
| 19 | Frank Silva | 64 | Head | Farmer | Pennsylvania |
| 20 | Marie Silva | 60 | wife | — | California |
| 23 | William Perry THIS PERSON | 45 | Head | Rancher | California |
| 24 | Alice Perry | 43 | wife | — | California |
| 25 | Wilbert Perry | 21 | son | Rancher | California |
| 26 | Helen Perry | 22 | daughter in law | — | Rhode Island |
| 27 | Noel Johnson | 49 | Head | Time Keeper | Missouri |
| 28 | Erela Johnson | 36 | wife | — | Nebraska |
| 29 | Verlene Johnson | 5 | daughter | — | California |
| 30 | Donald Johnson | 2 | son | — | California |
| 31 | Willard Sherbourne | 47 | Head | Roofing Contractor | California |
| 32 | Pearl Sherbourne | 48 | wife | — | California |
| 34 | Antone Nora | 49 | Head | Rancher | California |
| 35 | Bernice Nora | 40 | wife | — | California |
| 36 | Joan Nora | 18 | daughter | — | California |
| 37 | Joyce Nora | 18 | daughter | — | California |
| 39 | Anna Miencke | 75 | Head | — | Germany |
| 40 | John Miencke | 35 | son | Laborer Farmer | California |
Pedigree Summary
William
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)