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Alice Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Diego-County, California
Our Model Tree links this Alice Thomas across the 1920, 1930 and 1940 US Censuses in San-Diego-County, California (XGBoost, ~Confirmed), with identified parents Axel & Ida — first a spouse (b.~1895), then head of a 4-person household.
Age 45
b. ~1895
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Diego-County, California |
| Surname | Thomas |
| Given Name | Alice A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | San Diego city |
| 1935 Residence (County) | San Diego |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | San Diego City |
| Est. Birth Year | ~1895 |
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 Alice | Age | Birth yr |
|---|---|---|---|---|
| Alice Thomas | Daughter | — | 18 | ~1922 |
| George Thomas | Head | — | 47 | ~1893 |
| George Thomas | Son | — | 20 | ~1920 |
| Alice Thomas | Spouse | — | 45 | ~1895 |
Census Appearances
1920
San Diego, …
Daughter, age 26
San Diego, California · implied b. ~1894 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Alice A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
San Diego, …
Other, age 36
San Diego, California · implied b. ~1894 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Alice A. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| Age at First Marriage | 24 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
San-Diego-County, California
Spouse, age 45
San-Diego-County, California · implied b. ~1895 — 4 household members
| Surname | Thomas |
| Given Name | Alice A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | San Diego city |
| 1935 Residence (County) | San Diego |
| Highest Grade | H-2 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Alice Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Axel Stark (~0.92 confidence) and mother Ida Stark (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Axel Stark
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Ida Stark
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Alice Thomas
Spouse · 1940 · age 45 · b. ~1895 · 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-Diego-County, California
Open full size
1940 US Federal Census — San-Diego-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00450-00753)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Charlotte B. Castillo | 26 | Head | — | Mexico |
| 42 | Adolph Jr. Castillo | 3 | Son | — | California |
| 43 | Rudolph Castillo | 2 | Son | — | California |
| 44 | Guillermo Carmona | 31 | Head | Butcher | Mexico |
| 45 | Esperanza Carmona | 28 | Wife | — | Mexico |
| 46 | Margaret Carmona | 3 | Daughter | — | California |
| 47 | Eugene Brown | 31 | Head | General Repair | Oklahoma |
| 48 | Dorothy G. Brown | 34 | Wife | — | California |
| 49 | Betty Jean Brown | 9 | Daughter | — | California |
| 50 | Thomas R. Brown | 8 | Son | — | California |
| 51 | Joseph Barnes | 50 | Head | Taxi Meter Inspector | Pennsylvania |
| 52 | Bessie P. Barnes | 51 | Wife | — | New York |
| 53 | Mary J. Capel | 58 | Head | — | Washington |
| 54 | Walter Thurston | 24 | Head | Truck Driver | Canada-English |
| 55 | Maude Thurston | 24 | Wife | — | New York |
| 56 | Florence Gavett | 50 | Mother-in-law | — | New York |
| 57 | John Gavett | 62 | Brother-in-law | Photographer | England |
| 58 | Hadrian Liberatore | 22 | Head | Corporal | Ohio |
| 59 | Molly Liberatore | 31 | Wife | Checker | Mexico |
| 60 | George H. Thomas | 47 | Head | Aviation Chief Machinist Mate | Washington |
| 61 | Alice A. Thomas THIS PERSON | 45 | Wife | — | Massachusetts |
| 62 | George V. Thomas | 20 | Son | 2Nd Class Aerographer | California |
| 63 | Alice P. Thomas | 18 | Daughter | — | California |
| 64 | James A. Mcnutt | 44 | Head | Maintenance Agent | Wisconsin |
| 65 | Josie Mcnutt | 41 | Wife | — | Wisconsin |
| 66 | Roderick Finney | 25 | Head | Cab Driver | California |
| 67 | Katherine Finney | 26 | Wife | — | California |
| 68 | Madelle Finney | 2 | Daughter | — | California |
| 69 | Howard D. Flemming | 56 | Head | — | Denmark |
| 70 | Minnie Flemming | 50 | Wife | — | Germany |
| 71 | Henry Schumaker | 34 | Head | 1St Class Signalman | Arkansas |
| 72 | Eleanor Schumaker | 21 | Wife | — | Washington |
| 73 | Robert L. Schumaker | 1 | Son | — | California |
| 74 | John E. Dodd | 64 | Head | Plumber | Missouri |
| 75 | Winifred Dodd | 58 | Wife | — | Illinois |
| 76 | Luelle Johnson | 28 | Head | 1St Class Machinist Mate | Georgia |
| 77 | Mayann Johnson | 27 | Wife | — | Michigan |
| 78 | Step-Son Johnson | None | — | — | — |
| 79 | George D. Golden | 40 | Head | Rigger | Missouri |
| 80 | Etta Golden | 36 | Wife | — | Texas |
Pedigree Summary
Alice
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)