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Albert Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · San-Joaquin-County, California
Our Model Tree links this Albert Thomas across the 1920, 1930 and 1940 US Censuses in San-Joaquin-County, California (XGBoost, ~Confirmed), with identified parents William & W — first a son (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | San-Joaquin-County, California |
| Surname | Thomas |
| Given Name | Albert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Ripon Township |
| 1935 Residence (County) | San Joaquin |
| Additional Details | |
| Occupation | Farmer |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Farmer |
| Township / Ward | Ripon Township |
| Est. Birth Year | ~1913 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Albert | Age | Birth yr |
|---|---|---|---|---|
| William Thomas | Head | — | 66 | ~1874 |
| Albert Thomas | Son | — | 27 | ~1913 |
| Louise Thomas | Spouse | — | 61 | ~1879 |
Census Appearances
1920
San Joaquin, …
Son, age 6
San Joaquin, California · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Albert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Germany |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
San Joaquin, …
Son, age 16
San Joaquin, California · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Albert |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Germany |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
San-Joaquin-County, California
Son, age 27
San-Joaquin-County, California · implied b. ~1913 — 3 household members
| Surname | Thomas |
| Given Name | Albert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Ripon Township |
| 1935 Residence (County) | San Joaquin |
| Occupation | Farmer |
| Class of Worker | OA |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Albert Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Thomas (~0.92 confidence) and father W Thomas (~0.92 confidence) and father William Thomas (~0.92 confidence) and mother Louisa Thomas (~0.92 confidence) and mother Louise Thomas (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Thomas
b. ~1874
Source father
● Household
· direct · ~0.92
Father
W Thomas
b. ~1875
Source father
● Household
· direct · ~0.92
Father
William Thomas
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Louisa Thomas
b. ~1879
Source mother
● Household
· direct · ~0.92
Mother
Louise Thomas
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Albert Thomas
Son · 1940 · age 27 · b. ~1913 · 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-Joaquin-County, California
Open full size
1940 US Federal Census — San-Joaquin-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00327-00096)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | George Woudstra | 12 | Son | — | California |
| 42 | John F. Storkedale | 63 | Head | Farmer | Oklahoma |
| 43 | William H. Kincaid | 63 | Head | Farmer | California |
| 44 | Evelyn Kincaid | 43 | Wife | — | California |
| 45 | Wilma H. Kincaid | 19 | Daughter | Beautician | California |
| 46 | William H. Kincaid | 13 | Son | — | California |
| 47 | Manuel C. Pimentel | 60 | Head | Dairyman | Portugal |
| 48 | Isabella Pimentel | 58 | Wife | — | Portugal |
| 49 | Joe Pimentel | 17 | Son | Farm | California |
| 50 | Dirk Beumer | 66 | Head | Farmer | Netherlands |
| 51 | Grin Beumer | 20 | Son | Farmer | Canada |
| 52 | Joe A. Silvestra | 46 | Head | Dairyman | Portugal |
| 53 | Maria Silvestra | 40 | Wife | — | Portugal |
| 54 | Dolinda Silvestra | 20 | Daughter | — | California |
| 55 | Joseph Silvestra | 18 | Son | — | California |
| 56 | Antonio Silvestra | 16 | Son | — | California |
| 57 | Henry Silvestra | 13 | Son | — | California |
| 58 | Laurentina Silvestra | 7 | Daughter | — | California |
| 59 | Ernesto Silvestra | 5 | Son | — | California |
| 60 | William Thomas | 66 | Head | Farmer | Ohio |
| 61 | Louise Thomas | 61 | Wife | — | Germany |
| 62 | Albert Thomas THIS PERSON | 27 | Son | Farmer | Colorado |
| 63 | Wm. Schaapman | 41 | Head | Farmer | Netherlands |
| 64 | Catherine Schaapman | 40 | Wife | — | Michigan |
| 65 | William Schaapman | 16 | Son | — | California |
| 66 | Raymond Schaapman | 14 | Son | — | California |
| 67 | Donald Schaapman | 10 | Son | — | California |
| 68 | Warner Schaapman | 8 | Son | — | California |
| 69 | Melvin Schaapman | 5 | Son | — | California |
| 70 | R. W. Fisher | 50 | Head | Farmer | California |
| 71 | Laura Fisher | 52 | Wife | — | California |
| 72 | William Fisher | 24 | Son | Laborer | California |
| 73 | Frank Hutchinson | 22 | Father-in-law | — | New York |
| 74 | John W. Fisher | 56 | Brother | Manager | California |
| 75 | Abram Vanderkraan | 41 | Head | Farmer | Netherlands |
| 76 | Susana Vanderkraan | 45 | Housekeeper | Housekeeper | Netherlands |
| 77 | Agatha A. Vanderkraan | 16 | Daughter | — | California |
| 78 | George Vanderkraan | 11 | Son | — | California |
| 79 | P. C. Roland | 33 | Head | Farmer | California |
| 80 | Margaret Roland | 33 | Wife | — | Missouri |
Pedigree Summary
Albert
Gen 1 · 5 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)