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Eugene Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Eugene Thomas across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents A & Eugene — first a son (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Thomas |
| Given Name | Eugene |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville city |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Helper |
| Industry | L & N Shops |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Helper |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1914 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Eugene | Age | Birth yr |
|---|---|---|---|---|
| Norman Thomas | Son | — | 24 | ~1916 |
| Maurice Thomas | Son | — | 21 | ~1919 |
| Eugene Thomas | Son | — | 26 | ~1914 |
| Eugene Thomas | Head | — | 65 | ~1875 |
| Catherine Thomas | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Jefferson, Kentucky
Son, age 5
Jefferson, Kentucky · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Son, age 16
Jefferson, Kentucky · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Son, age 26
Jefferson-County, Kentucky · implied b. ~1914 — 5 household members
| Surname | Thomas |
| Given Name | Eugene |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville city |
| 1935 Residence (County) | Jefferson |
| Occupation | Helper |
| Industry | L & N Shops |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Eugene Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father A Thomas (~0.92 confidence) and father Eugene Thomas (~0.92 confidence) and father Eugene Thomas (~0.92 confidence) and mother Catherine Thomas (~0.92 confidence) and mother Catherine Thomas (~0.92 confidence) and mother Ella Thomas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
A Thomas
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Eugene Thomas
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Eugene Thomas
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Catherine Thomas
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Catherine Thomas
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Ella Thomas
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Eugene Thomas
Son · 1940 · age 26 · b. ~1914 · Kentucky
★ You are viewing this record
Sibling
Maurice Thomas
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Norman Thomas
Sibling · 1940 · age 24
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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01374-00210)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Tyrrell | 56 | wife | — | Kentucky |
| 2 | Elizabeth Tyrrell | 24 | daughter | Typist | Kentucky |
| 3 | Norbert Tyrrell | 21 | son | Furnace Helper | Kentucky |
| 4 | Harry Tyrrell | 19 | son | Stamp Cutter | Kentucky |
| 5 | Robert D. Tyrrell | 18 | son | Clerk | Kentucky |
| 6 | Cleo Louise Tyrrell | 15 | daughter | Waitress | Kentucky |
| 7 | Victor Wettich | 31 | Head | Machinist | Indiana |
| 8 | Dorothy Wettich | 27 | wife | — | Kentucky |
| 9 | Shirley Ann Wettich | 5 | daughter | — | Kentucky |
| 10 | Nettie Hartman | 44 | Lodger | Janitress | Ohio |
| 11 | Leonard G. Hanka | 44 | Head | Mechanic | Kentucky |
| 12 | Hattie Mae Hanka | 47 | wife | — | Kentucky |
| 13 | Eugene L. Thomas | 65 | Head | Machinist | Kentucky |
| 14 | Catherine Thomas | 63 | wife | — | Kentucky |
| 15 | Eugene Thomas THIS PERSON | 26 | son | Helper | Kentucky |
| 16 | Norman Thomas | 24 | son | New Worker | Kentucky |
| 17 | Maurice Thomas | 21 | son | — | Kentucky |
| 18 | Albert P. Cureton | 43 | Head | Painter | Kentucky |
| 19 | Grace Cureton | 39 | wife | — | Kentucky |
| 20 | Katie Connors | 49 | Head | Ward Worker | Kentucky |
| 21 | John C. Schmitt | 49 | Head | Dentist | Kentucky |
| 22 | Effie Ellen Schmitt | 46 | wife | — | Kentucky |
| 23 | Anna M. Taylor | 47 | Head | Stemmer | Kentucky |
| 24 | Cyril J. O'Brien | 44 | Head | Clerk | Kentucky |
| 25 | Mary O'Brien | 44 | wife | — | Kentucky |
| 26 | Cyril J. Jr. O'Brien | 19 | son | Laborer | Kentucky |
| 27 | Robert Sheckler | 27 | Head | Plumber | Kentucky |
| 28 | Dorothy Sheckler | 27 | wife | — | Kentucky |
| 29 | Arthur Redick | 28 | Head | Labeler | Kentucky |
| 30 | Vesta Redick | 26 | wife | — | Texas |
| 31 | Naoma Lee Redick | 4 | daughter | — | Kentucky |
| 32 | Carl Farman | 42 | Head | — | Kentucky |
| 33 | Mary Farman | 38 | wife | — | Kentucky |
| 34 | James Farman | 19 | son | Attendant | Kentucky |
| 35 | Helen Farman | 18 | daughter | — | Kentucky |
| 36 | Carl Jr. Farman | 16 | son | — | Kentucky |
| 37 | Mary Beatrice Farman | 14 | daughter | — | Kentucky |
| 38 | Rudie Farman | 8 | son | — | Kentucky |
| 39 | Rita Farman | 4 | daughter | — | Kentucky |
| 40 | Patricia Farman | 1 | daughter | — | Kentucky |
Pedigree Summary
Eugene + 2 siblings
Gen 1 · 6 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)