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William Davis — 1930 US Census Record
Model Tree available1930 United States Federal Census · Alameda, California
Our Model Tree links this William Davis across the 1920, 1930 and 1940 US Censuses in Alameda, California (XGBoost, ~Confirmed), with identified parents Gilbert & Elbert — first a son (b.~1919), then head of a 5-person household.
Age 11
b. ~1919
Male
Son
Born: Washington
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Alameda, California |
| Surname | Davis |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Texas |
| Mother's Birthplace | Washington |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Berkeley City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ruth Davis | Daughter | — | 10 | ~1920 |
| Ernest Davis | Head | — | 35 | ~1895 |
| Keith Davis | Son | — | 6 | ~1924 |
| William Davis | Son | — | 11 | ~1919 |
| Mabel Davis | Spouse | — | 35 | ~1895 |
Census Appearances
1920
Alameda, California
Son, age 1
Alameda, California · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Willard K. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Texas |
| Mother's Birthplace | Washington |
| Occupation | none |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Alameda, California
Son, age 11
Alameda, California · implied b. ~1919 — 5 household members
| Surname | Davis |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Texas |
| Mother's Birthplace | Washington |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Alameda-County, California
Son, age 21
Alameda-County, California · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Willard K |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Washington |
| 1935 Residence (City) | Berkeley |
| 1935 Residence (County) | Alameda |
| Occupation | School |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Gilbert Davis (~0.92 confidence) and father Elbert Davis (~0.92 confidence) and father Ernest Davis (~0.92 confidence) and mother Marie Davis (~0.92 confidence) and mother Marie Davis (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Gilbert Davis
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Elbert Davis
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Ernest Davis
b. ~1895
Source father
● Household
· direct · ~0.92
Mother
Marie Davis
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Marie Davis
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Davis
Son · 1930 · age 11 · b. ~1919 · California
★ You are viewing this record
Sibling
Ruth Davis
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Keith Davis
Sibling · 1930 · age 6
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
1930 US Federal Census — Alameda, California
Open full size
1930 US Federal Census — Alameda, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel110:1158)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Jesse C Everhart | 44 | Head | Gambler | Nebraska |
| 52 | Annie E Everhart | 31 | Wife | None | Nebraska |
| 53 | Ward C Everhart | 7 | Son | None | California |
| 54 | Annie B Lundstrom | 57 | Head | Dressmaker | Illinois |
| 55 | Nicholas S Ivanoff | 42 | Head | Art + Furniture Dealer | Russia |
| 56 | Irene A Ivanoff | 45 | Wife | Art + Furniture Business | Russia |
| 57 | James H Wood | 60 | Head | Publishing | Tennessee |
| 58 | Minnie Wood | 54 | Wife | None | Missouri |
| 59 | James H Jr Wood | 24 | Son | None | Washington |
| 60 | John S Wood | 20 | Son | None | Washington |
| 61 | Laura E Marshall | 50 | Head | Teacher Pub. | Michigan |
| 62 | Charles F Marshall | 66 | Brother | Salesman | Vermont |
| 63 | Jessie S Marshall | 68 | Wife | Salesman | Canada-Eng |
| 64 | Washington Cunningham | 23 | Head | Civil Engineer | California |
| 65 | Mabel Cunningham | 52 | Mother | None | Canada-Eng |
| 66 | Olive T Castle | 52 | Head | Interior Decorator | Montana |
| 67 | Florence Castle | 77 | Mother | Retired | Indiana |
| 68 | Laurence B Richardson | 1 | Grandson | None | Washington |
| 69 | Charles R Bell | 47 | Head | Architectural | Pennsylvania |
| 70 | Marion Bell | 45 | Wife | Gardener | Pennsylvania |
| 71 | John C Bischoff | 44 | Head | Builder | California |
| 72 | Edna D Bischoff | 39 | Wife | None | California |
| 73 | John Jr Bischoff | 17 | Son | Occasional Music | California |
| 74 | Elmer H Bischoff | 13 | Son | None | California |
| 75 | Robert W Bischoff | 11 | Son | None | California |
| 76 | Thomas Tausee | 24 | Head | Musician | Ireland |
| 77 | Irene Tausee | 24 | Wife | None | New Jersey |
| 78 | Herbert T Corvin | 66 | Head | Dept Manager | Missouri |
| 79 | Nellie Corvin | 56 | Wife | None | Kentucky |
| 80 | William B Holloway | 67 | Head | Retired | New York |
| 81 | Pauline S Holloway | 62 | Wife | None | California |
| 82 | Cora Holloway | 37 | Daughter | Paper Cutter | California |
| 83 | James Brown | 57 | Head | Secy + Treas | Pennsylvania |
| 84 | Edith Brown | 41 | Wife | None | Indiana |
| 85 | Marion Brown | 15 | Daughter | None | California |
| 86 | Harold Brown | 17 | Son | None | California |
| 87 | Erwin G Gudde | 38 | Head | None | Germany |
| 88 | Annie Gudde | 42 | Wife | Instructor | Germany |
| 89 | Mary F Corcoran | 60 | Head | Author Of Magazine Articles | California |
| 90 | Alice Corcoran | 65 | Sister | Teacher | California |
| 91 | William W Lyman | 74 | Head | Retired | New York |
| 92 | Alice Lyman | 61 | Wife | None | Washington |
| 93 | Harry Lyman | 35 | Son | Mining Engineer | Montana |
| 94 | Louise H Lyman | 26 | Daughter | Recreational Director | Montana |
| 95 | Harriet Lyman | 22 | Daughter | None | Montana |
| 96 | Ernest H Davis | 35 | Head | Attorney | Texas |
| 97 | Mabel S Davis | 35 | Wife | None | Washington |
| 98 | William H Davis THIS PERSON | 11 | Son | None | Washington |
| 99 | Ruth S Davis | 10 | Daughter | None | California |
| 100 | Keith G Davis | 6 | Son | None | California |
Pedigree Summary
William + 2 siblings
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 1930 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)