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Thomas Anderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Francisco-County, California
Our Model Tree links this Thomas Anderson across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents John & Margaret — first a head (b.~1905), then head of a 4-person household.
Age 35
b. ~1905
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Francisco-County, California |
| Surname | Anderson |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Butcher |
| Industry | Retail Meat Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1526 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Butcher |
| Township / Ward | San Francisco |
| Est. Birth Year | ~1905 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Clara Anderson | Daughter | — | 9 | ~1931 |
| Thomas Anderson | Head | — | 35 | ~1905 |
| John Anderson | Son | — | 6 | ~1934 |
| Gertrude Anderson | Spouse | — | 31 | ~1909 |
Census Appearances
1920
San Francisco, …
Son, age 14
San Francisco, California · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1914 |
| Naturalization Status | Alien |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
San Francisco, …
Head, age 25
San Francisco, California · implied b. ~1905 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1908 |
| Age at First Marriage | 22 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Butcher |
| Industry | Butcher Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 35.00 |
| Radio Set | R |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
San-Francisco-County, California
Head, age 35
San-Francisco-County, California · implied b. ~1905 — 4 household members
| Surname | Anderson |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | San Francisco |
| 1935 Residence (County) | San Francisco |
| Naturalization Status | Naturalized |
| Occupation | Butcher |
| Industry | Retail Meat Store |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1526 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Thomas Anderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Anderson (~0.92 confidence) and mother Margaret Anderson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Anderson
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Margaret Anderson
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Anderson
Head · 1940 · age 35 · b. ~1905 · 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-t0627-00309-00603)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harriet Lehman | 57 | Wife | — | California |
| 42 | Dwight Caral | 19 | Daughter | Beautician | California |
| 43 | Daughter Moses | None | F | — | — |
| 44 | Thomas Anderson THIS PERSON | 35 | Head | Butcher | Scotland |
| 45 | Gertrude Anderson | 31 | Wife | — | California |
| 46 | Clara M. Anderson | 9 | Daughter | — | California |
| 47 | John T. Anderson | 6 | Son | — | California |
| 48 | Joseph Sawyer | 35 | Head | Electrical Service Man | Wyoming |
| 49 | Patricia Sawyer | 27 | Wife | — | Washington |
| 50 | Frances Sawyer | 3 | Daughter | — | California |
| 51 | Melvin Norton | 42 | Head | Salesman | California |
| 52 | Ethel Norton | 36 | Wife | Stenographer | California |
| 53 | Melva Norton | 1 | Daughter | — | California |
| 54 | Michael William | 65 | Head | Laborer | Irish Free St |
| 55 | Maria William | 64 | Wife | — | Irish Free St |
| 56 | Edward Ogga | 51 | Head | Stevedore | California |
| 57 | Lena Ogga | 45 | Wife | — | California |
| 58 | Madeline Mitchell | 32 | Head | Teacher | California |
| 59 | Corey Mitchell | 56 | Mother | — | California |
| 60 | John O'Brien | 56 | Head | Electrician | California |
| 61 | Joseph Ciaccio | 62 | Head | Machinist | Italy |
| 62 | Cynthia Ciaccio | 27 | Daughter | Comptometer Op. | California |
| 63 | Nicholas Ferrera | 65 | Cousin | Laborer | Louisiana |
| 64 | John Mooney | 55 | Head | Conductor | Illinois |
| 65 | Simon Engelberg | 75 | Head | — | Sweden |
| 66 | Aaron Gross | 42 | Head | Tailor | Poland |
| 67 | Mae Gross | 38 | Wife | — | California |
| 68 | Charles Gross | 14 | Son | — | California |
| 69 | Robert Gross | 12 | Son | — | California |
| 70 | Harold Mcveigh | 40 | Head | Painter | California |
| 71 | Willa Mcveigh | 34 | Wife | Clerk | Missouri |
| 72 | Arthur Martini | 48 | Head | Upholsterer | Mississippi |
| 73 | Elizabeth Martini | 43 | Wife | Bookkeeper | Scotland |
| 74 | Ben David | 45 | Brother-in-law | Clerk | Scotland |
| 75 | Edward Lubick | 39 | Head | Laborer | Wisconsin |
| 76 | Minnie Lubick | 35 | Wife | — | Pennsylvania |
| 77 | William Shean | 61 | Head | Salesman | Louisiana |
| 78 | Florence Shean | 57 | Wife | — | California |
| 79 | William Hogan | 31 | Head | Salesman | California |
| 80 | Neva Hogan | 31 | Wife | — | Colorado |
Pedigree Summary
Thomas
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)