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Thomas Wells — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Placer-County, California
Our Model Tree links this Thomas Wells across the 1930 and 1940 US Censuses in Placer-County, California (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 10-person household.
Age 25
b. ~1915
Male
Son
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Placer-County, California |
| Surname | Wells |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Roseville City |
| 1935 Residence (County) | Placer |
| Additional Details | |
| Occupation | Pin setter |
| Industry | Bowling |
| Class of Worker | PW |
| Hours Worked | 65 |
| Income (1939) | 900 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Pin Setter |
| Township / Ward | Roseville City |
| Est. Birth Year | ~1915 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Katherine Butkovich | Daughter | — | 25 | ~1915 |
| Anna Butkovich | Spouse | — | 49 | ~1891 |
| George Badovinac | Son | — | 29 | ~1911 |
| Joe Butkovich | Son | — | 15 | ~1925 |
| Manda Butkovich | Daughter | — | 26 | ~1914 |
| Joseph Butkovich | Head | — | 51 | ~1889 |
| Antonia Butkovich | Daughter | — | 22 | ~1918 |
| Anna Butkovich | Daughter | — | 20 | ~1920 |
| Eli Badovinac | Son | — | 23 | ~1917 |
| Thomas Wells | Son | — | 25 | ~1915 |
Census Appearances
1930
Placer, California
Son, age 16
Placer, California · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wells |
| Given Name | Thomas G. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | Oregon |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Placer-County, California
Son, age 25
Placer-County, California · implied b. ~1915 — 10 household members
| Surname | Wells |
| Given Name | Thomas J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Roseville City |
| 1935 Residence (County) | Placer |
| Occupation | Pin setter |
| Industry | Bowling |
| Class of Worker | PW |
| Hours Worked | 65 |
| Income (1939) | 900 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| 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 Thomas Wells across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thomas Wells
Son · 1940 · age 25 · b. ~1915 · California
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Sibling
Katherine Butkovich
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Butkovich
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eli Badovinac
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Badovinac
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Antonia Butkovich
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Manda Butkovich
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Butkovich
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Placer-County, California
Open full size
1940 US Federal Census — Placer-County, California
Page Contents
13 people indexed on this census page (nara:1940:m-t0627-00275-00205)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George A. Minard | 51 | Head | Fireman | Missouri |
| 2 | Mildred M. Minard | 38 | Wife | — | California |
| 3 | Delores J. Minard | 11 | Daughter | — | California |
| 4 | Joseph Butkovich | 51 | Head | Fireman | Croatia |
| 5 | Anna Butkovich | 49 | Wife | — | Croatia |
| 6 | Manda Butkovich | 26 | Daughter | Typist | Utah |
| 7 | Katherine Butkovich | 25 | Daughter | Typist | Utah |
| 8 | Antonia Butkovich | 22 | Daughter | Typist | Utah |
| 9 | Anna Butkovich | 20 | Daughter | Jr Clerk | Utah |
| 10 | Joe Jr Butkovich | 15 | Son | — | California |
| 11 | George Badovinac | 29 | Son | Welder | Mont. |
| 12 | Eli Badovinac | 23 | Son | Waiter & Cook | Mont. |
| 13 | Thomas J. Wells THIS PERSON | 25 | Son | Pin Setter | California |
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)