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Thelma Davis — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Edgar-County, Illinois
Our Model Tree links this Thelma Davis across the 1930 and 1940 US Censuses in Edgar-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 11-person household.
Age 23
b. ~1917
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Edgar-County, Illinois |
| Surname | Davis |
| Given Name | Thelma E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Edgar |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Illinois |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Township / Ward | Brouilletts Creek |
| Est. Birth Year | ~1917 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Jessie Davis | Daughter | — | 10 | ~1930 |
| Sara Davis | Daughter | — | ~1940 | |
| Madeline Davis | Daughter | — | 3 | ~1937 |
| Thelma Davis | Daughter | — | 23 | ~1917 |
| Flora Davis | Daughter | — | 18 | ~1922 |
| Floyd Davis | Head | — | 49 | ~1891 |
| Raymond Davis | Son | — | 16 | ~1924 |
| William Davis | Son | — | 6 | ~1934 |
| Frederick Davis | Son | — | 8 | ~1932 |
| Floyd Davis | Son | — | 14 | ~1926 |
| Lucy Davis | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Edgar, Illinois
Daughter, age 13
Edgar, Illinois · implied b. ~1917 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Thelma |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| 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
Edgar-County, Illinois
Daughter, age 23
Edgar-County, Illinois · implied b. ~1917 — 11 household members
| Surname | Davis |
| Given Name | Thelma E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Edgar |
| Class of Worker | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Illinois |
| 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 Thelma Davis across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Thelma Davis
Daughter · 1940 · age 23 · b. ~1917 · Illinois
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Sibling
Raymond Davis
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Davis
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frederick Davis
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madeline Davis
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floyd Davis
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Flora Davis
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Davis
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sara Davis
Sibling · 1940 · age
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 — Edgar-County, Illinois
Open full size
1940 US Federal Census — Edgar-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00799-00010)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wanda Jean Hensley | 11 | Daughter | — | Illinois |
| 2 | Kenneth Ray Hensley | 2 | Son | — | Illinois |
| 3 | Walter H. Yonce | 40 | Head | Laborer | Virginia |
| 4 | Doris Yonce | 30 | Wife | — | Illinois |
| 5 | Patricia Yonce | 9 | Daughter | — | Illinois |
| 6 | Garnett O. Hanington | 48 | Head | Farmer | Virginia |
| 7 | Maggie Hanington | 44 | Wife | — | Virginia |
| 8 | Lindsey Hale | 44 | Hired Hand | Farm Laborer | Virginia |
| 9 | William L. Parker | 49 | Head | School Bus Driver | Illinois |
| 10 | Noria Parker | 48 | Wife | — | Illinois |
| 11 | Ernest Franklin Parker | 20 | Son | Truck Driver | Illinois |
| 12 | William Francis Parker | 18 | Son | Truck Driver | Illinois |
| 13 | Hazel Lavon Parker | 6 | Daughter | — | Illinois |
| 14 | Ada Lavern Parker | 6 | Daughter | — | Illinois |
| 15 | Mary Ellen Collier | 22 | Daughter | Waitress | Illinois |
| 16 | Harley Leo Collier | 23 | Son-in-law | Attendant | Illinois |
| 17 | Charles B. Smith | 70 | Lodger | — | Indiana |
| 18 | Mathew Haws | 67 | Head | — | Illinois |
| 19 | Ethel Haws | 57 | Wife | — | Illinois |
| 20 | Floyd O. Davis | 49 | Head | Farmer | Kentucky |
| 21 | Lucy Mae Davis | 42 | Wife | — | Kentucky |
| 22 | Thelma E. Davis THIS PERSON | 23 | Daughter | — | Kentucky |
| 23 | Flora L. Davis | 18 | Daughter | — | Kentucky |
| 24 | Raymond M. Davis | 16 | Son | Farm Laborer | Kentucky |
| 25 | Floyd Junior Davis | 14 | Son | — | Illinois |
| 26 | Jessie Marie Davis | 10 | Daughter | — | Illinois |
| 27 | Frederick Davis | 8 | Son | — | Illinois |
| 28 | William J. Davis | 6 | Son | — | Illinois |
| 29 | Madeline Davis | 3 | Daughter | — | Illinois |
| 30 | Sara Sue Davis | 0 | Daughter | — | Illinois |
| 31 | Charles Parr | 63 | Head | Farmer | Ohio |
| 32 | Angie Parr | 56 | Wife | — | Indiana |
| 33 | Mildred Laura Parr | 28 | Daughter | — | Indiana |
| 34 | William M. Light | 84 | Head | — | Illinois |
| 35 | Esther M. Light | 74 | Wife | — | Illinois |
| 36 | Charles R. Light | 80 | Head | — | Kansas |
| 37 | Mary E. Light | 67 | Wife | — | Illinois |
| 38 | Carl E. Bolen | 32 | Head | Farmer | Illinois |
| 39 | Gladys Bolen | 30 | Wife | — | Illinois |
| 40 | Leta Ann Bolen | 4 | Daughter | — | Illinois |
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)