RT
Ruby Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Ruby Thomas across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Harvey & Garnet — first a spouse (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Thomas |
| Given Name | Ruby |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Louisville City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruby | Age | Birth yr |
|---|---|---|---|---|
| Carl Thomas | Son | — | 6 | ~1934 |
| Carl Thomas | Head | — | 31 | ~1909 |
| Ruby Thomas | Spouse | — | 27 | ~1913 |
| Kenneth Thomas | Son | — | 3 | ~1937 |
Census Appearances
1920
Jefferson, Kentucky
Daughter, age 6
Jefferson, Kentucky · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ruby G. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Jefferson, Kentucky
Daughter, age 16
Jefferson, Kentucky · implied b. ~1914 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ruby |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Jefferson-County, Kentucky
Spouse, age 27
Jefferson-County, Kentucky · implied b. ~1913 — 4 household members
| Surname | Thomas |
| Given Name | Ruby |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Highest Grade | H-4 |
| 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 Ruby Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harvey Thomas (~0.92 confidence) and father Garnet Thomas (~0.92 confidence) and mother Bessie Thomas (~0.92 confidence) and mother Leslie Thomas (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harvey Thomas
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Garnet Thomas
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Bessie Thomas
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Leslie Thomas
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruby Thomas
Spouse · 1940 · age 27 · b. ~1913 · Kentucky
★ 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 — 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-t0627-01367-00522)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mabel Pignell | 36 | Wife | Saleslady | Kentucky |
| 2 | Evan G. Harris | 41 | Head | Carpenter | Pennsylvania |
| 3 | Loraine Harris | 39 | Wife | Beautician | Kentucky |
| 4 | Evan G. Jr. Harris | 18 | Son | Helper | Kentucky |
| 5 | George Neece | 36 | Lodger | Adv. Salesman | Kentucky |
| 6 | Louis T. Egger | 53 | Head | Adv. Salesman | Kentucky |
| 7 | Meta Egger | 49 | Wife | — | Missouri |
| 8 | Paul A. Kapp | 40 | Head | Auto Painter | Kentucky |
| 9 | Florence Kapp | 40 | Wife | — | Kentucky |
| 10 | Hamilton Marchand | 53 | Head | Tile Setter | Kentucky |
| 11 | Mary M. Marchand | 47 | Wife | — | Kentucky |
| 12 | Abott L. Mills | 30 | Son | Attendant | Kentucky |
| 13 | Marcella Mills | 22 | Wife | — | Kentucky |
| 14 | Thelma Marchand | 25 | Daughter | New Worker | Kentucky |
| 15 | Carl Thomas | 31 | Head | Sprayer | Kentucky |
| 16 | Ruby Thomas THIS PERSON | 27 | Wife | — | Kentucky |
| 17 | Carl Jr. Thomas | 6 | Son | — | Kentucky |
| 18 | Kenneth Thomas | 3 | Son | — | Kentucky |
| 19 | John A. Sigill | 62 | Head | — | Kentucky |
| 20 | Frank J. Kapp | 42 | Head | Mail Clerk | Kentucky |
| 21 | Frances B. Kapp | 11 | Daughter | — | Georgia |
| 22 | Wm. Reid Kapp | 9 | Son | — | Georgia |
| 23 | Rosina Hernan | 31 | Head | Checker | Kentucky |
| 24 | Delores Schoen | 27 | Partner | Bookkeeper | Kentucky |
| 25 | Joe Glassman | 32 | Head | Bartender | Kentucky |
| 26 | Henry Luhr | 51 | Head | Maintenance | Kentucky |
| 27 | Jeanett Luhr | 44 | Wife | — | Kentucky |
| 28 | Arthur Humphrey | 52 | Head | Sheet Metal Worker | Kentucky |
| 29 | Catherine Humphrey | 43 | Wife | — | Kentucky |
| 30 | Leonard Humphrey | 21 | Son | Helper Machinist | Kentucky |
| 31 | Jean Humphrey | 23 | Daughter | Decorator | Kentucky |
| 32 | Clara B. Greenwell | 24 | Daughter | — | Kentucky |
| 33 | Jackie Greenwell | 4 | Grandson | — | Kentucky |
| 34 | Ira L. Seiberz | 34 | Head | Pharmacist | Kentucky |
| 35 | Dorothy Seiberz | 30 | Wife | — | Indiana |
| 36 | Chas. Poninger | 43 | Head | Coach Cleaner | Kentucky |
| 37 | Marie Poninger | 40 | Wife | — | Kentucky |
| 38 | Mary L. Poninger | 20 | Daughter | — | Kentucky |
| 39 | Dorothy Poninger | 19 | Daughter | New Worker | Kentucky |
| 40 | Chas. Fickentcher | 50 | Head | Metal Lather | Kentucky |
Pedigree Summary
Ruby
Gen 1 · 4 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)