DW
Donald White — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Donald White across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents Lloyd & Mabel — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | White |
| Given Name | Donald L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | City of Berkeley |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Occupation | Chemist |
| Industry | Wholesale Chemical |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Chemist |
| Township / Ward | City Of Berkeley |
| Est. Birth Year | ~1917 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Donald White | Son | — | 23 | ~1917 |
| Lloyd White | Head | — | 55 | ~1885 |
| Helen White | Daughter | — | 26 | ~1914 |
| Mabel White | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Alameda, California
Son, age 2
Alameda, California · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | White |
| Given Name | Donald L |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Washington |
| Mother's Birthplace | Minnesota |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
Alameda, California
Son, age 13
Alameda, California · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | White |
| Given Name | Donald K |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Washington |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Alameda-County, California
Son, age 23
Alameda-County, California · implied b. ~1917 — 4 household members
| Surname | White |
| Given Name | Donald L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | City of Berkeley |
| 1935 Residence (County) | Alameda |
| Occupation | Chemist |
| Industry | Wholesale Chemical |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1400 |
| Highest Grade | C 2 |
| 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 Donald White across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lloyd White (~0.92 confidence) and mother Mabel White (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lloyd White
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Mabel White
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald White
Son · 1940 · age 23 · b. ~1917 · California
★ You are viewing this record
Sibling
Helen White
Sibling · 1940 · age 26
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
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-t0627-00190-00207)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lloyd C. White | 55 | Head | Mining Engineer | Washington |
| 2 | Mabel G. White | 54 | Wife | Housewife | Minnesota |
| 3 | Helen White | 26 | Daughter | Buyer'S Assistant | Washington |
| 4 | Donald L. White THIS PERSON | 23 | Son | Chemist | California |
| 5 | Bernard O. Heinrich | 58 | Head | Consulting Engineer | Wisconsin |
| 6 | Marion Allen Heinrich | 55 | Wife | Housewife | Utah |
| 7 | Theodore Allen Heinrich | 29 | Son | Historian | Washington |
| 8 | Susan G. Robinson | 72 | Head | Housewife | New Hampshire |
| 9 | Alice C. Moody | 47 | Daughter | Teacher | Massachusetts |
| 10 | Frank C. Nelson | 49 | Head | Accountant | California |
| 11 | Florence G. Nelson | 48 | Wife | Housewife | Canada-English |
| 12 | Elizabeth G. O'Brien | 70 | Lodger | Housewife | California |
| 13 | Lucie V. O'Brien | 44 | Lodger | Salesman | Canada-English |
| 14 | Victor D. Broderson | 82 | Head | Salesman | Indiana |
| 15 | Margaret Broderson | 48 | Wife | Secretary | Indiana |
| 16 | David Broderson | 18 | Son | Student | California |
| 17 | Raymond Roach | 60 | Head | Insurance Underwriter | New York |
| 18 | Clara J. Roach | 57 | Wife | Housewife | Iowa |
| 19 | Marion J. Ab. Roach | 25 | Daughter | Teacher | California |
| 20 | Richard J. Roach | 22 | Son | Refrigeration Mechanic | California |
| 21 | Walter J. Theed | 45 | Head | Public Relation Expert | California |
| 22 | Mildred H. Theed | 50 | Wife | Housewife | California |
| 23 | Robert W. Theed | 14 | Son | Student | California |
| 25 | Joseph F. Putnam | 53 | Head | Electrical Engineer | Indiana |
| 26 | Rae C. Putnam | 53 | Wife | Housewife | New York |
| 27 | Joseph C. Putnam | 19 | Son | Student | New York |
| 28 | Woodford D. Harrison | 40 | Head | Chemical Engineer | Nebraska |
| 29 | Barbara A. Harrison | 38 | Wife | Housewife | California |
| 30 | Roger L. Harrison | 9 | Son | Student | California |
| 31 | Jerry D. Harrison | 5 | Son | Student | California |
| 32 | James L. Harrison | 83 | Father | Salesman | No. Carolina |
| 33 | Mary M. Harrison | 73 | Mother | Housewife | California |
| 34 | Agnes M. Everold | 57 | Head | Housewife | Nebraska |
| 35 | Maggie Everold | 80 | Mother | Housewife | Denmark |
| 36 | William D. Ellsworth | 83 | Head | Housewife | New York |
| 37 | Frieda K. Buelow | 71 | Companion | Companion | Sweden |
| 38 | Edward F. Hoff | 55 | Head | Irrigation Engineer | Michigan |
| 39 | Verna S. Hoff | 52 | Wife | Housewife | California |
| 40 | Clannie G. Lawson | 51 | Head | Teacher | California |
Related Census Records
Pedigree Summary
Donald + 1 sibling
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)