ET
Ernest Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hardin-County, Kentucky
Our Model Tree links this Ernest Thomas across the 1920, 1930 and 1940 US Censuses in Hardin-County, Kentucky (XGBoost, ~Confirmed), with identified parents Emmett & Sidney — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hardin-County, Kentucky |
| Surname | Thomas |
| Given Name | Ernest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist 1 |
| 1935 Residence (County) | Hardin |
| Additional Details | |
| Occupation | Farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 520 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Farmer |
| Township / Ward | Mag Dist 1 |
| Est. Birth Year | ~1919 |
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 Ernest | Age | Birth yr |
|---|---|---|---|---|
| Mildred Thomas | Daughter | — | 16 | ~1924 |
| Bertha Thomas | Spouse | — | 44 | ~1896 |
| Ernest Thomas | Son | — | 21 | ~1919 |
| Hayes Thomas | Son | — | 24 | ~1916 |
| William Thomas | Head | — | 48 | ~1892 |
Census Appearances
1920
Hardin, Kentucky
Son, age 2
Hardin, Kentucky · implied b. ~1918 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Earnest D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Hardin, Kentucky
Son, age 12
Hardin, Kentucky · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ernest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| 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
Hardin-County, Kentucky
Son, age 21
Hardin-County, Kentucky · implied b. ~1919 — 5 household members
| Surname | Thomas |
| Given Name | Ernest |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag Dist 1 |
| 1935 Residence (County) | Hardin |
| Occupation | Farmer |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 520 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Ernest Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Emmett Thomas (~0.92 confidence) and father Sidney Thomas (~0.92 confidence) and father William Thomas (~0.92 confidence) and mother Sallie Thomas (~0.92 confidence) and mother Bertha Thomas (~0.92 confidence) and mother Bertha Thomas (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Emmett Thomas
b. ~1889
Source father
● Household
· direct · ~0.92
Father
Sidney Thomas
b. ~1892
Source father
● Household
· direct · ~0.92
Father
William Thomas
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Sallie Thomas
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Bertha Thomas
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Bertha Thomas
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ernest Thomas
Son · 1940 · age 21 · b. ~1919 · Kentucky
★ You are viewing this record
Sibling
Hayes Thomas
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Thomas
Sibling · 1940 · age 16
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 — Hardin-County, Kentucky
Open full size
1940 US Federal Census — Hardin-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01312-00202)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Russell Meers | 36 | Head | Farmer | Kentucky |
| 2 | Hazel R. Meers | 31 | Wife | — | Kentucky |
| 3 | Montella Meers | 12 | Daughter | — | Kentucky |
| 4 | Eppie B. Blakey | 50 | Head | Farmer | Kentucky |
| 5 | Ora E. Blakey | 50 | Wife | — | Kentucky |
| 6 | Virginia L. Blakey | 26 | Daughter | — | Kentucky |
| 7 | David B. Blakey | 13 | Son | — | Kentucky |
| 8 | George H. Roby | 70 | Head | Farmer | Kentucky |
| 9 | Sallie Roby | 72 | Wife | — | Kentucky |
| 10 | Mattie Roby | 70 | Sister-in-law | — | Kentucky |
| 11 | Charles E. Pottinger | 30 | Head | Farmer | Kentucky |
| 12 | Katherine M. Pottinger | 39 | Wife | — | Kentucky |
| 13 | Katherine E. Pottinger | 11 | Daughter | — | Kentucky |
| 14 | John T. Case | 35 | Head | Farmer | Kentucky |
| 15 | Lilly L. Case | 35 | Wife | — | Kentucky |
| 16 | Christine Case | 6 | Daughter | — | Kentucky |
| 17 | Joseph A. Thomas | 72 | Head | Farmer | Kentucky |
| 18 | Maggie Thomas | 64 | Wife | — | Kentucky |
| 19 | William H. Thomas | 48 | Head | Farmer | Kentucky |
| 20 | Bertha O. Thomas | 44 | Wife | — | Kentucky |
| 21 | Hayes Thomas | 24 | Son | Farmer | Kentucky |
| 22 | Ernest Thomas THIS PERSON | 21 | Son | Farmer | Kentucky |
| 23 | Mildred Thomas | 16 | Daughter | — | Kentucky |
| 24 | Clarence Thomas | 52 | Head | Farmer | Kentucky |
| 25 | Lily G. Thomas | 47 | Wife | — | Kentucky |
| 26 | John O. Thomas | 35 | Head | Carpenter Helper | Kentucky |
| 27 | Gladys O. Thomas | 28 | Wife | — | Kentucky |
| 28 | Henry J. Thomas | 8 | Son | — | Kentucky |
| 29 | Betty J. Thomas | 5 | Daughter | — | Kentucky |
| 30 | Mary L. Thomas | 2 | Daughter | — | Kentucky |
| 31 | Patrick E. Thomas | 0 | Son | — | Kentucky |
| 32 | Virgil A. Sego | 45 | Head | Farmer | Kentucky |
| 33 | Daisy H. Sego | 46 | Wife | — | Kentucky |
| 34 | Louise Sego | 18 | Daughter | — | Illinois |
| 35 | James D. Sego | 7 | Son | — | Kentucky |
| 36 | Garland Thomas | 26 | Head | Farmer | Kentucky |
| 37 | Lucille N. Thomas | 26 | Wife | — | Kentucky |
| 38 | Garland Jr. Thomas | 5 | Son | — | Kentucky |
| 39 | Carolyn Thomas | 5 | Daughter | — | Kentucky |
| 40 | Eugene Thomas | 2 | Son | — | Kentucky |
Pedigree Summary
Ernest + 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)