OA
Otto Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Otto Anderson across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Josephine — first a head (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Anderson |
| Given Name | Otto |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Additional Details | |
| Occupation | Dental Technician |
| Industry | Dental Laboratory |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | G-8 |
| 1935 Residence | Same House |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Dental Technician |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1902 |
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 Otto | Age | Birth yr |
|---|---|---|---|---|
| Otto Anderson | Head | — | 38 | ~1902 |
| Robert Anderson | Son | — | 15 | ~1925 |
| Raymond Anderson | Son | — | 14 | ~1926 |
| Gertrude Anderson | Spouse | — | 35 | ~1905 |
Census Appearances
1920
San Francisco, …
Son, age 17
San Francisco, California · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Otto |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Mechanic |
| Industry | Dental |
| 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 27
San Francisco, California · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Otto |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 20 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Mechanic |
| Industry | Dental |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | $55 |
| Radio Set | R |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Head, age 38
San-Francisco-County, California · implied b. ~1902 — 4 household members
| Surname | Anderson |
| Given Name | Otto |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Occupation | Dental Technician |
| Industry | Dental Laboratory |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | G-8 |
| 1935 Residence | Same House |
| 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 Otto Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Josephine Anderson (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Josephine Anderson
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Otto Anderson
Head · 1940 · age 38 · b. ~1902 · 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
36 people indexed on this census page (nara:1940:m-t0627-00312-00228)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charles E. Clarke | 54 | Head | Service Foreman | Scotland |
| 2 | Alice Clarke | 55 | Wife | — | England |
| 3 | Leslie Clarke | 25 | Son | Auditor | England |
| 4 | Edward P. Smith | 58 | Head | Supervising Motor Vehicle | California |
| 5 | Louise Smith | 58 | Wife | — | California |
| 6 | James E. Waite | 51 | Head | Civil Engineer | Nebraska |
| 7 | Ione Waite | 50 | Wife | — | Kansas |
| 8 | Hugh Waite | 21 | Son | Clerk | Kansas |
| 9 | Walter Horne | 35 | Head | Shipping Clerk | Washington |
| 10 | Katherine Horne | 27 | Wife | — | California |
| 11 | Nancy Horne | 1 | Daughter | — | California |
| 12 | George Coates | 38 | Head | Metal Man & Painter | California |
| 13 | Edith P. Coates | 35 | Wife | Stenographer | So. Dakota |
| 14 | George M. Coates | 12 | Son | — | California |
| 15 | Ernest Bertfeld | 57 | Head | Sergeant Police | California |
| 16 | Helen Bertfeld | 54 | Wife | — | California |
| 17 | Richard Bertfeld | 16 | Son | — | California |
| 18 | George Duffey | 54 | Head | Gardiner | California |
| 19 | John Duffey | 24 | Son | Teamster | California |
| 20 | Marie Duffey | 19 | Daughter | Comptometer | California |
| 21 | Sarah Murphy | 86 | Mother-in-law | — | New York |
| 22 | Jeremiah Desmond | 40 | Head | Policeman | Irish Free State |
| 23 | Catherine Desmond | 38 | Wife | — | Unit. Kingdom |
| 24 | John Desmond | 9 | Son | — | California |
| 25 | Gerard Desmond | 7 | Son | — | California |
| 26 | Evelyn Desmond | 4 | Daughter | — | California |
| 27 | Thomas Desmond | 1 | Son | — | California |
| 28 | Emma Walden | 60 | Head | — | California |
| 29 | Joseph C. Maccabe | 54 | Head | Photo Engraver | Missouri |
| 30 | Ottilie F. Maccabe | 46 | Wife | — | California |
| 31 | Joseph C. Jr. Maccabe | 31 | Son | Clerk & Stocker | California |
| 32 | Otto Anderson THIS PERSON | 38 | Head | Dental Technician | California |
| 33 | Gertrude Anderson | 35 | Wife | — | California |
| 34 | Robert L. Anderson | 15 | Son | — | California |
| 35 | Raymond Anderson | 14 | Son | — | California |
| 36 | Void Acct Mis-Information | None | — | — | — |
Pedigree Summary
Otto
Gen 1 · 1 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)