WW
William Weber — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this William Weber across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents Richard & Ellen — first a head (b.~1915), then head of a 3-person household.
Age 25
b. ~1915
Male
Head
Born: China
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | Weber |
| Given Name | William H. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | China |
| 1935 Residence (City) | Berkeley |
| 1935 Residence (County) | Alameda |
| Naturalization Status | Alien |
| Additional Details | |
| Occupation | refining operator |
| Industry | vegetable oil |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth Country | China |
| Birthplace (normalized) | china |
| Occupation | Refining Operator |
| Township / Ward | Berkeley |
| 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 William | Age | Birth yr |
|---|---|---|---|---|
| Carolyn Weber | Daughter | — | 3 | ~1937 |
| William Weber | Head | — | 25 | ~1915 |
| Rose Weber | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Alameda, California
Son, age 5
Alameda, California · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Weber |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | China |
| Father's Birthplace | Germany |
| Mother's Birthplace | Ireland |
| Birth Country | China |
| Birthplace (normalized) | china |
1930
Alameda, California
Son, age 15
Alameda, California · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Weber |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | China |
| Naturalization Status | Un |
| Father's Birthplace | Germany |
| Mother's Birthplace | South Africa |
| Can Read/Write | Yes |
| Mother Tongue | Unknown |
| Birth Country | China |
| Birthplace (normalized) | china |
1940
Alameda-County, California
Head, age 25
Alameda-County, California · implied b. ~1915 — 3 household members
| Surname | Weber |
| Given Name | William H. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | China |
| 1935 Residence (City) | Berkeley |
| 1935 Residence (County) | Alameda |
| Naturalization Status | Alien |
| Occupation | refining operator |
| Industry | vegetable oil |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1600 |
| Highest Grade | H 3 |
| 1935 Residence | Same place |
| Birth Country | China |
| Birthplace (normalized) | china |
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 Weber across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Richard Weber (~0.92 confidence) and mother Ellen Weber (~0.92 confidence) and father Richard Weber (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Richard Weber
b. ~1856
Source father
● Household
· direct · ~0.92
Mother
Ellen Weber
b. ~1867
Source mother
● Household
· direct · ~0.92
Father
Richard Weber
b. ~1880
Source father
● Household
· direct · ~0.92
This person
Anchor record
William Weber
Head · 1940 · age 25 · b. ~1915 · 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
39 people indexed on this census page (nara:1940:m-t0627-00187-00363)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Kimiko Nishimura | 39 | wife | 0 | Japan |
| 42 | Rhoda Nishimura | 14 | daughter | 0 | California |
| 43 | Dwight Nishimura | 12 | son | 0 | California |
| 44 | Jonathan Nishimura | 8 | son | 0 | California |
| 45 | Joseph Nishimura | 6 | son | 0 | California |
| 46 | Tony Arrona | 34 | head | Chauffeur | Philippine Is. |
| 47 | John P. Arrona | 30 | wife | Maid | Louisiana |
| 48 | Robert Arrona | 10 | son | 0 | California |
| 49 | Ronald Arrona | 9 | son | 0 | California |
| 50 | Margie Hardnett | 52 | mother-in-law | 0 | Texas |
| 51 | Frank B. Trimble | 29 | head | Laborer | Georgia |
| 52 | Bernice Trimble | 26 | wife | 0 | Arkansas |
| 53 | Carole L. Trimble | 2 | daughter | 0 | California |
| 54 | Lorna L. Trimble | 0 | daughter | — | California |
| 55 | Naomi Collier | 23 | sister-in-law | General | Arkansas |
| 56 | Theophilus Collier | 22 | brother-in-law | Laborer | Arkansas |
| 57 | Esther Collier | 20 | sister-in-law | 0 | Mississippi |
| 58 | Marcelo Lopez | 41 | head | Bakery Helper | Philippine Is. |
| 59 | Lourdes Lopez | 31 | wife | Button Helper | Philippine Is. |
| 60 | Hermie Lopez | 8 | son | 0 | California |
| 61 | Mildred Lopez | 7 | daughter | 0 | California |
| 62 | Carl Fernandez | 30 | boarder | Cook | Philippine Is. |
| 63 | Joe Jacinto | 27 | nephew | 0 | Philippine Is. |
| 64 | Buddy Bautista | 25 | cousin | Janitor | Philippine Is. |
| 65 | Angelo Cazaber | 32 | cousin | Bus Boy | Philippine Is. |
| 66 | Stanley Wilson | 29 | head | Waiter | Washington |
| 67 | Julia Wilson | 29 | wife | 0 | Canada |
| 68 | Henry J. Roy | 37 | head | Radio Operator | Oregon |
| 69 | Bessie O. Roy | 40 | wife | 0 | California |
| 70 | Henry Jr. Roy | 11 | son | 0 | California |
| 71 | Rose Ho | 24 | step-daughter | Mistress | California |
| 72 | William H. Weber THIS PERSON | 25 | head | Refining Operator | China |
| 73 | Rose M. Weber | 25 | wife | 0 | California |
| 74 | Carolyn R. Weber | 3 | daughter | — | California |
| 75 | Alfeo Dakila | 28 | head | Salesman | California |
| 76 | Asa Dakila | 52 | mother | 0 | Japan |
| 77 | Teizo Sato | 55 | head | Broker | Japan |
| 78 | Hide Sato | 53 | wife | Saleslady | Japan |
| 79 | Misa Sato | 26 | daughter | Stenographer | Hawaii |
Pedigree Summary
William
Gen 1 · 3 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)