LA
Lawrence Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Lawrence Anderson across the 1910, 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1898), then head of a 4-person household.
Age 42
b. ~1898
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Anderson |
| Given Name | Lawrence A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Metallurgist |
| Industry | Steel Co. |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 4200 |
| Highest Grade | C 2 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Metallurgist |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1898 |
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 Lawrence | Age | Birth yr |
|---|---|---|---|---|
| Carlma Anderson | Spouse | — | 32 | ~1908 |
| Lawrence Anderson | Son | — | 7 | ~1933 |
| Lawrence Anderson | Head | — | 42 | ~1898 |
| Jacqueline Anderson | Daughter | — | 8 | ~1932 |
Census Appearances
1910
San Francisco, …
Son, age 12
San Francisco, California · implied b. ~1898 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Lawrence |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 21
San Francisco, California · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Lawrence |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Chemist |
| Industry | Steel Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Head, age 32
San Francisco, California · implied b. ~1898 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Lawrence S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 21 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Metalurgist |
| Industry | Steel Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Head, age 42
San-Francisco-County, California · implied b. ~1898 — 4 household members
| Surname | Anderson |
| Given Name | Lawrence A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Metallurgist |
| Industry | Steel Co. |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 4200 |
| 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 Lawrence Anderson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Anderson (~0.92 confidence) and father John Anderson (~0.92 confidence) and mother Amanda Anderson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Anderson
b. ~1868
Source father
● Household
· direct · ~0.92
Father
John Anderson
b. ~1868
Source father
● Household
· direct · ~0.92
Mother
Amanda Anderson
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Lawrence Anderson
Head · 1940 · age 42 · b. ~1898 · 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 — San-Francisco-County, California
Open full size
1940 US Federal Census — San-Francisco-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00312-00490)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Affild Turner | 46 | Wife | Teacher | California |
| 42 | Kenneth Turner | 15 | Son | Teacher | California |
| 43 | Henry L. Wilson | 50 | Head | Vice President | Nebraska |
| 44 | Anne E. Wilson | 43 | Wife | — | S. Dakota |
| 45 | Lindsay K. Wilson | 13 | Son | — | New York |
| 46 | Dorothy De Mello | 20 | Maid | Maid | Hawaii |
| 47 | Virginia Austin | 63 | Head | — | California |
| 48 | Manda Soldonale | 61 | Sister | — | California |
| 49 | Karl George Rohrer | 47 | Head | Dental Technician | California |
| 50 | Frederica Rohrer | 46 | Wife | — | California |
| 51 | David A. Rohrer | 19 | Son | — | California |
| 52 | Robert L. Rohrer | 16 | Son | — | California |
| 53 | Peter M. Rohrer | 13 | Son | — | California |
| 54 | Paul A. Rohrer | 10 | Son | — | California |
| 55 | N. John Ladala | 40 | Head | Dentist | California |
| 56 | Dorothy K. Ladala | 36 | Wife | — | California |
| 57 | Thomas F. Ladala | 10 | Son | — | California |
| 58 | Jacqueline Ladala | 6 | Daughter | — | California |
| 59 | Mary F. Lawton | 70 | Mother | — | California |
| 60 | William M. Denham | 58 | Head | — | California |
| 61 | William W. Ohm | 40 | Head | Contractor | California |
| 62 | Helen L. Ohm | 38 | Wife | Secretary | Pennsylvania |
| 63 | Irene Sanaarac | 18 | Maid | Maid | California |
| 64 | Lawrence A. Anderson THIS PERSON | 42 | Head | Metallurgist | California |
| 65 | Carlma A. Anderson | 32 | Wife | — | California |
| 66 | Jacqueline Anderson | 8 | Daughter | — | California |
| 67 | Lawrence A. Jr. Anderson | 7 | Son | — | California |
| 68 | Louis J. Wallace | 43 | Head | Salesman | New York |
| 69 | Bertha L. Wallace | 40 | Wife | — | California |
| 70 | Carol A. Wallace | 8 | Daughter | — | California |
| 71 | Helen Christina Bors | 32 | Guest | — | California |
| 72 | Leo Hess | 58 | Head | Bookkeeper | Minnesota |
| 73 | Lillian E. Hess | 53 | Wife | Barber | California |
| 74 | John C. Williams | 48 | Head | — | Illinois |
| 75 | Alice C. Williams | 47 | Wife | Eye, Ear, Nose Specialist | California |
| 76 | John C. Williams | 9 | Son | — | California |
| 77 | Alyce L. Wong | 21 | Maid | Maid | California |
| 78 | Mads P. Madsen | 57 | Head | Contractor | Denmark |
| 79 | Christina Madsen | 56 | Wife | — | Denmark |
| 80 | Harry E. Gray | 41 | Head | Dispatcher | California |
Related Census Records
Pedigree Summary
Lawrence
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)