GT
Grace Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, Kentucky
Our Model Tree links this Grace Thomas across the 1920, 1930 and 1940 US Censuses in Madison-County, Kentucky (XGBoost, ~Confirmed), with identified parents Basil & Burl — first a daughter (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Kentucky |
| Surname | Thomas |
| Given Name | Grace |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Richmond City |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Richmond City |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Grace | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Thomas | Son | — | 9 | ~1931 |
| Naomi Thomas | Daughter | — | 14 | ~1926 |
| Elsie Thomas | Daughter | — | 18 | ~1922 |
| Callie Thomas | Spouse | — | 50 | ~1890 |
| Burl Thomas | Head | — | 56 | ~1884 |
| Grace Thomas | Daughter | — | 21 | ~1919 |
| Dwight Thomas | Son | — | 16 | ~1924 |
Census Appearances
1920
Estill, Kentucky
Daughter, age
Estill, Kentucky · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | none |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1930
Madison, Kentucky
Daughter, age 11
Madison, Kentucky · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Grace |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| 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
Madison-County, Kentucky
Daughter, age 21
Madison-County, Kentucky · implied b. ~1919 — 7 household members
| Surname | Thomas |
| Given Name | Grace |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Richmond City |
| 1935 Residence (County) | Madison |
| Highest Grade | Hs 4 |
| 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 Grace Thomas across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Basil Thomas (~0.92 confidence) and father Burl Thomas (~0.92 confidence) and mother Callie Thomas (~0.92 confidence) and mother Callie Thomas (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Basil Thomas
b. ~1884
Source father
● Household
· direct · ~0.92
Father
Burl Thomas
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Callie Thomas
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Callie Thomas
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Grace Thomas
Daughter · 1940 · age 21 · b. ~1919 · Kentucky
★ You are viewing this record
Sibling
Elsie Thomas
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Naomi Thomas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dwight Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Thomas
Sibling · 1940 · age 9
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 — Madison-County, Kentucky
Open full size
1940 US Federal Census — Madison-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01337-00161)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Katie Scott | 5 | daughter | — | Kentucky |
| 42 | William M. Scott | 3 | son | — | Kentucky |
| 43 | Kenneth E. Scott | 2 | son | — | Kentucky |
| 44 | Lilly Ruth Scott | 0 | daughter | — | Kentucky |
| 45 | Todd Sallie F. Blair | 65 | mother-in-law | — | Kentucky |
| 46 | William Irvin Blair | 59 | father-in-law | — | Kentucky |
| 47 | Owen Hendricks | 37 | Head | Laborer | Kentucky |
| 48 | Ada E. Hendricks | 25 | wife | — | Kentucky |
| 49 | Betti Ruth Hendricks | 5 | daughter | — | Kentucky |
| 50 | Bobbie Gene Hendricks | 3 | son | — | Kentucky |
| 51 | Ira Blair | 1 | son-in-law | — | Kentucky |
| 52 | Robert Salters | 43 | Head | Painter | Kentucky |
| 53 | Myrtle Lou Salters | 38 | wife | — | Kentucky |
| 54 | Robert F. Salters | 9 | son | — | Kentucky |
| 55 | Anna Maurine Salters | 6 | daughter | — | Kentucky |
| 56 | Samuel Jacky Salters | 4 | son | — | Kentucky |
| 57 | Burl Thomas | 56 | Head | Carpenter | Kentucky |
| 58 | Callie F. Thomas | 50 | wife | — | Kentucky |
| 59 | Grace Thomas THIS PERSON | 21 | daughter | — | Kentucky |
| 60 | Elsie Thomas | 18 | daughter | — | Kentucky |
| 61 | Dwight L. Thomas | 16 | son | — | Kentucky |
| 62 | Naomi Thomas | 14 | daughter | — | Kentucky |
| 63 | Kenneth Thomas | 9 | son | — | Kentucky |
| 64 | Elba Ball | 36 | Head | Repairing | Kentucky |
| 65 | Florence Ball | 32 | wife | — | Kentucky |
| 66 | Arnetta Ball | 11 | daughter | — | Kentucky |
| 67 | Genora May Ball | 9 | daughter | — | Kentucky |
| 68 | Marie Ball | 7 | daughter | — | Kentucky |
| 69 | Wanda Ruth Ball | 4 | daughter | — | Kentucky |
| 70 | Elba Jr. Ball | 1 | son | — | Kentucky |
| 71 | Ella Payne | 62 | Head | — | Indiana |
| 72 | Jennie Buel Payne | 34 | daughter | — | Kentucky |
| 73 | Robert Cundiff | 24 | Head | Carpenter | Kentucky |
| 74 | Lelia Cundiff | 24 | wife | — | Kentucky |
| 75 | Jean Dolores Cundiff | 2 | daughter | — | Kentucky |
| 76 | Ronald Blake Cundiff | 1 | son | — | Kentucky |
| 77 | Henry Portwood | 60 | Head | Watchman | Kentucky |
| 78 | Lydia Portwood | 50 | wife | — | Kentucky |
| 79 | Buly Portwood | 10 | son | — | Kentucky |
| 80 | Albert Marm | 22 | step son | New Worker | Kentucky |
Pedigree Summary
Grace + 4 siblings
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)