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Lawrence White — 1940 US Census Record
Model Tree available1940 United States Federal Census · Alameda-County, California
Our Model Tree links this Lawrence White across the 1920, 1930 and 1940 US Censuses in Alameda-County, California (XGBoost, ~Confirmed), with identified parents John & Dora — first a head (b.~1899), then head of a 3-person household.
Age 41
b. ~1899
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Alameda-County, California |
| Surname | White |
| Given Name | Lawrence R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Oakland City |
| 1935 Residence (County) | Alameda |
| Additional Details | |
| Occupation | Maintenance man |
| Industry | Refrigeration |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Maintenance Man |
| Township / Ward | Oakland City |
| Est. Birth Year | ~1899 |
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 Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Mildred White | Spouse | — | 39 | ~1901 |
| Lawrence White | Head | — | 41 | ~1899 |
| Richard White | Son | — | 6 | ~1934 |
Census Appearances
1920
Alameda, California
Son, age 21
Alameda, California · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | White |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ohio |
| Occupation | Steelworker |
| Industry | Steel works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Alameda, California
Head, age 31
Alameda, California · implied b. ~1899 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | White |
| Given Name | Lawrence E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 20 |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Ohio |
| Occupation | Repair man |
| Industry | Refrigeration Company |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 2800 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Alameda-County, California
Head, age 41
Alameda-County, California · implied b. ~1899 — 3 household members
| Surname | White |
| Given Name | Lawrence R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Oakland City |
| 1935 Residence (County) | Alameda |
| Occupation | Maintenance man |
| Industry | Refrigeration |
| Class of Worker | PW |
| Hours Worked | 46 |
| Income (1939) | 1500 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Lawrence White across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John White (~0.92 confidence) and mother Dora White (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John White
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Dora White
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence White
Head · 1940 · age 41 · b. ~1899 · 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
40 people indexed on this census page (nara:1940:m-t0627-00446-00202)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Angelo Muzzini | 19 | Son | Laborer | California |
| 2 | Leslie Aitken | 29 | Head | Painter | Washington |
| 3 | Acquiline Aitken | 27 | Wife | — | Italy |
| 4 | Pauline Aitken | 3 | Daughter | — | Calif |
| 5 | Donald Aitken | 3 | Son | — | Calif |
| 6 | Lawrence R. White THIS PERSON | 41 | Head | Maintenance Man | Illinois |
| 7 | Mildred White | 39 | Wife | — | Illinois |
| 8 | Richard White | 6 | Son | — | Calif |
| 9 | G. B. Accinelli | 41 | Head | Scavenger | Italy |
| 10 | Mary Accinelli | 32 | Wife | — | Italy |
| 11 | Madeline Accinelli | 7 | Daughter | — | Calif |
| 12 | Josephine Accinelli | 5 | Daughter | — | Calif |
| 13 | William Day | 28 | Head | Truck Driver | Calif |
| 14 | Virginia Day | 27 | Wife | Laundress | New Mexico |
| 15 | Fain Merle Day | 11 | Daughter | — | Calif |
| 16 | Karl Johann Alsen | 45 | Head | Warehouseman | Sweden |
| 17 | Mary Emil Alsen | 52 | Wife | Labourer | Sweden |
| 18 | Ida Quimby | 68 | Head | — | Rhode Is |
| 19 | Kenneth Stringer | 37 | Head | Foreman | Nebraska |
| 20 | Beatrice Stringer | 34 | Wife | — | Louisiana |
| 21 | Lawrence Mccain | 30 | Head | Labourer | Louisiana |
| 22 | Marjorie Mccain | 31 | Wife | — | Calif |
| 23 | George Schlenker | 60 | Head | Owner | Germany |
| 24 | Sophia Agatha Schlenker | 65 | Wife | Owner | Wisconsin |
| 25 | Charles Mills | 59 | Head | Porter | Virginia |
| 26 | Ollie Mills | 50 | Wife | — | Louisiana |
| 27 | Emile Umbert | 45 | Head | Waiter | Louisiana |
| 28 | Ethel Umbert | 42 | Wife | — | Calif |
| 29 | Lily Umbert | 16 | Daughter | — | Calif |
| 30 | Josephine Umbert | 15 | Daughter | — | Calif |
| 31 | Mark Hensling | 36 | Head | Fireman | Missouri |
| 32 | Wrong Number In Family Hensling | None | — | — | — |
| 33 | Gladys Davis | 24 | Head | Machinist | Texas |
| 34 | Wrong Number In Family Davis | None | — | — | — |
| 35 | Madeline Rodriguez | 38 | Head | Labourer | Calif |
| 36 | Lorraine Rodriguez | 18 | Daughter | House Work | Calif |
| 37 | Delores Rodriguez | 16 | Daughter | — | Calif |
| 38 | Eugene Lyster | 11 | Son | — | Calif |
| 39 | Hazel Taylor | 45 | Head | — | Wisconsin |
| 40 | Gordon Taylor | 18 | Son | — | Calif |
Pedigree Summary
Lawrence
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)