RT
Roy Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hardin-County, Kentucky
Our Model Tree links this Roy Thomas across the 1920, 1930 and 1940 US Censuses in Hardin-County, Kentucky (XGBoost, ~Confirmed), with identified parents W & William — first a son (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Son
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hardin-County, Kentucky |
| Surname | Thomas |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. District 4 |
| 1935 Residence (County) | Hardin |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same house |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Farmer |
| Township / Ward | Mag District 4 |
| Est. Birth Year | ~1904 |
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 Roy | Age | Birth yr |
|---|---|---|---|---|
| William Thomas | Head | — | 68 | ~1872 |
| William Thomas | Other | — | 5 | ~1935 |
| Roy Thomas | Son | — | 36 | ~1904 |
| Elizabeth Thomas | Other | — | 25 | ~1915 |
Census Appearances
Son, age 16
Hardin, Kentucky · implied b. ~1904 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Ray |
| 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 | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Hardin, Kentucky
Son, age 26
Hardin, Kentucky · implied b. ~1904 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Hardin-County, Kentucky
Son, age 36
Hardin-County, Kentucky · implied b. ~1904 — 4 household members
| Surname | Thomas |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Mag. District 4 |
| 1935 Residence (County) | Hardin |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Roy Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father W Thomas (~0.92 confidence) and father William Thomas (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
W Thomas
b. ~1872
Source father
● Household
· direct · ~0.92
Father
William Thomas
b. ~1872
Source father
● Household
· direct · ~0.92
This person
Anchor record
Roy Thomas
Son · 1940 · age 36 · b. ~1904 · 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 — 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-t0627-01312-00203)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Granville Thomas | 66 | Head | Farmer | Kentucky |
| 42 | Pearl J. Thomas | 28 | Wife | — | Kentucky |
| 43 | Caroline T. O'Brien | 77 | Head | — | Kentucky |
| 44 | Homer O'Brien | 23 | Grandson | Labor | Kentucky |
| 45 | Mary B. O'Brien | 20 | Granddaughter | — | Kentucky |
| 46 | William B. Thomas | 68 | Head | Farmer | Kentucky |
| 47 | Roy Thomas THIS PERSON | 36 | Son | Farmer | Kentucky |
| 48 | Elizabeth L. Thomas | 25 | Daughter-in-law | — | Kentucky |
| 49 | William Thomas | 5 | Grandson | — | Kentucky |
| 50 | Hugh A. O'Brien | 49 | Head | Farmer | Kentucky |
| 51 | Cordie B. O'Brien | 50 | Wife | — | Kentucky |
| 52 | Johnie O'Brien | 24 | Son | Farmer | Kentucky |
| 53 | Lewis O'Brien | 17 | Son | Farmer | Kentucky |
| 54 | Ellis E. Franklin | 26 | Head | Labor | Kentucky |
| 55 | Ruth B. Franklin | 23 | Wife | — | Kentucky |
| 56 | Shirley Mae Franklin | 1 | Daughter | — | Kentucky |
| 57 | Andrew J. Hawkins | 63 | Head | — | Kentucky |
| 58 | Andrew J. Son Hawkins | 15 | Son | — | Kentucky |
| 59 | Thomas W. O'Brien | 35 | Head | Presser | Kentucky |
| 60 | Audrey H. O'Brien | 32 | Wife | Inspect | Kentucky |
| 61 | Fox Wesley O'Brien | 18 | Foster son | Presser | Kentucky |
| 62 | Virgil O'Brien | 44 | Head | Farmer | Kentucky |
| 63 | Myrtle S. O'Brien | 43 | Wife | — | Kentucky |
| 64 | Eugene O'Brien | 14 | Son | — | Kentucky |
| 65 | Virgil Poole | 21 | Head | Labor | Kentucky |
| 66 | James H. O'Brien | 30 | Head | Labor | Kentucky |
| 67 | Lillian N. O'Brien | 22 | Wife | — | Kentucky |
| 68 | Doris A. O'Brien | 5 | Daughter | — | Kentucky |
| 69 | Peggy Lou O'Brien | 2 | Daughter | — | Kentucky |
| 70 | Martha J. O'Brien | 1 | Daughter | — | Kentucky |
| 71 | Joseph T. Wright | 71 | Head | — | Tennessee |
| 72 | Beckie J. Wright | 79 | Wife | — | Kentucky |
| 73 | Charles L. Buckles | 52 | Head | Farmer | Kentucky |
| 74 | Josephine O. Buckles | 52 | Wife | — | Kentucky |
| 75 | David Buckles | 17 | Son | Labor | Kentucky |
| 76 | James L. Buckles | 14 | Son | — | Kentucky |
| 77 | James E. Thomas | 85 | Head | — | Kentucky |
| 78 | Eliza L. Thomas | 72 | Wife | — | Kentucky |
| 79 | Charles E. Thomas | 42 | Son | Farmer | Kentucky |
| 80 | Francis Thomas | 30 | Son | Farmer | Kentucky |
Related Census Records
Pedigree Summary
Roy
Gen 1 · 2 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)