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Arthur Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Arthur Anderson across the 1910, 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents Hjalmar & Martin — first a son (b.~1909), then head of a 4-person household.
Age 31
b. ~1909
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Anderson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | California |
| Additional Details | |
| Industry | PW |
| Class of Worker | 1100 |
| Highest Grade | No 13 |
| 1935 Residence | 40 |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1909 |
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 Arthur | Age | Birth yr |
|---|---|---|---|---|
| Hjalmar Anderson | Head | — | 70 | ~1870 |
| Ethel Anderson | Other | — | 22 | ~1918 |
| Arthur Anderson | Son | — | 31 | ~1909 |
| Agda Anderson | Spouse | — | 65 | ~1875 |
Census Appearances
1910
San Francisco, …
Son, age 1
San Francisco, California · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Nor Norwegian |
| Mother's Birthplace | Nor Norwegian |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1920
San Francisco, …
Son, age 11
San Francisco, California · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1930
San Francisco, …
Son, age 21
San Francisco, California · implied b. ~1909 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Arthur |
| 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 | Engineer |
| Industry | Auto shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
San-Francisco-County, California
Son, age 31
San-Francisco-County, California · implied b. ~1909 — 4 household members
| Surname | Anderson |
| Given Name | Arthur |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | California |
| Industry | PW |
| Class of Worker | 1100 |
| Highest Grade | No 13 |
| 1935 Residence | 40 |
| 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 Arthur Anderson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hjalmar Anderson (~0.92 confidence) and father Martin Anderson (~0.92 confidence) and father Hjalmar Anderson (~0.92 confidence) and father Axel Anderson (~0.92 confidence) and mother Gunhilda Anderson (~0.92 confidence) and mother Olga Anderson (~0.92 confidence) and mother Agda Anderson (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hjalmar Anderson
b. ~1870
Source father
● Household
· direct · ~0.92
Father
Martin Anderson
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Hjalmar Anderson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Axel Anderson
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Gunhilda Anderson
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Olga Anderson
b. ~1876
Source mother
● Household
· direct · ~0.92
Mother
Agda Anderson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Arthur Anderson
Son · 1940 · age 31 · b. ~1909 · 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-t0627-00310-00110)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Soares | 75 | Head | Retired | Germany |
| 2 | Dorothy Soares | 66 | Wife | — | California |
| 3 | John J. Callicotte | 45 | Head | Painter | Colorado |
| 4 | Enid C. Callicotte | 34 | Wife | — | California |
| 5 | Frank E. Callicotte | 16 | Son | — | Oregon |
| 6 | Jacqueline E. Callicotte | 15 | Daughter | — | California |
| 7 | Melinda D. Callicotte | 3 | Daughter | — | California |
| 8 | Sylvia E. Richardson | 62 | Mother in law | — | — |
| 9 | Olaf Mathson | 59 | Head | Master | Norway |
| 10 | Rowena M. Mathson | 48 | Wife | — | New York |
| 11 | William P. Gill | 28 | Head | Checker | Washington |
| 12 | Katherine A. Gill | 23 | Wife | — | — |
| 13 | Michaela K. Gill | 2 | Daughter | — | California |
| 14 | Karen A. Gill | 1 | Daughter | — | California |
| 15 | Hjalmar A. Anderson | 70 | Head | Retired | Sweden |
| 16 | Agda E. Anderson | 65 | Wife | — | Sweden |
| 17 | Arthur Anderson THIS PERSON | 31 | Son | — | California |
| 18 | Ethel Anderson | 22 | Daughter in law | — | — |
| 19 | William J. Przyborowski | 52 | Head | Mechanic | Germany |
| 20 | Annie Przyborowski | 51 | Wife | — | California |
| 21 | George A. Steil | 70 | Brother in law | — | — |
| 22 | Herman F. Dietsch | 60 | Head | Bar Tender | Germany |
| 23 | William E. Dietsch | 25 | Son | Sheet Metal | California |
| 24 | Elmer A. Lien | 41 | Head | — | S. Dakota |
| 25 | Anna Lien | 41 | Wife | Photo Studio | Minnesota |
| 26 | William L. Hunter | 48 | Head | Finance Office | Texas |
| 27 | Beatrice F. Hunter | 37 | Wife | — | — |
| 28 | Vida L. Hunter | 4 | Daughter | — | California |
| 29 | Valerie A. Hunter | 2 | Daughter | — | — |
| 30 | Archie C. Dragge | 30 | Head | Yeoman - 1 - | N. Dakota |
| 31 | Minnie C. Dragge | 29 | Wife | — | California |
| 32 | Sally Ann Dragge | 5 | Daughter | — | — |
| 33 | William Herrgoss | 60 | Head | Retired Butcher | Germany |
| 34 | Raymond M. Stevens | 33 | Head | Electrician | California |
| 35 | Dorothy E. Stevens | 31 | Wife | — | — |
| 36 | Betty Mae Stevens | 5 | Daughter | — | — |
| 37 | Savino Giannelli | 52 | Head | Manager | Italy |
| 38 | Zeb V. Boyd | 36 | Head | Operator | N. Carolina |
| 39 | Mary J. Boyd | 24 | Wife | — | Washington |
| 40 | Dale V. Boyd | 2 | Son | — | California |
Pedigree Summary
Arthur
Gen 1 · 7 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)