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Thelma Davis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Thelma Davis across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents Frank & Edelin — first a daughter (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Davis |
| Given Name | Thelma R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Stamper |
| Industry | Distillery |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 496 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Stamper |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1914 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Thelma | Age | Birth yr |
|---|---|---|---|---|
| Thelma Davis | Daughter | — | 26 | ~1914 |
| Edelin Davis | Head | — | 49 | ~1891 |
| Lilly Davis | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Jefferson, Kentucky
Other, age 5
Jefferson, Kentucky · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Thelma R. |
| Relationship to Head | Grand-daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Kentucky |
| Father's Birthplace | Kentucky |
| 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 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davis |
| Given Name | Thelma M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| 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
Jefferson-County, Kentucky
Daughter, age 26
Jefferson-County, Kentucky · implied b. ~1914 — 3 household members
| Surname | Davis |
| Given Name | Thelma R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | Stamper |
| Industry | Distillery |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 496 |
| 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 Thelma Davis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Davis (~0.92 confidence) and father Edelin Davis (~0.92 confidence) and mother Emma Davis (~0.92 confidence) and mother Lilly Davis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Davis
b. ~1890
Source father
● Household
· direct · ~0.92
Father
Edelin Davis
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Emma Davis
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Lilly Davis
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thelma Davis
Daughter · 1940 · age 26 · b. ~1914 · 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
39 people indexed on this census page (nara:1940:m-t0627-01374-00628)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rachel Burke | 17 | Lodger | Waitress | Kentucky |
| 2 | Ruth Adams | 21 | Lodger | Waitress | Kentucky |
| 3 | Joseph L. Reker | 31 | Head | Proprietor | Kentucky |
| 4 | Augusta Reker | 28 | Wife | — | Kentucky |
| 5 | Robert L. Reker | 4 | Son | — | Kentucky |
| 6 | Carol A. Reker | 1 | Daughter | — | Kentucky |
| 7 | Mary I. Welch | 77 | Head | — | Kentucky |
| 8 | Florence Welch | 41 | Daughter | Waitress | Kentucky |
| 9 | Thomas Laffler | 56 | Lodger | Millwright | Kentucky |
| 11 | Elsie L. Jenkins | 34 | Head | School Teacher | Kentucky |
| 12 | Lee Jenkins | 67 | Brother | — | Kentucky |
| 13 | Mattie Jenkins | 68 | Mother | — | Kentucky |
| 14 | Lillian Camp | 27 | Housekeeper | Housekeeper | Kentucky |
| 15 | Albert H. Bonn | 50 | Head | Conductor | Kentucky |
| 16 | Anna C. Bonn | 48 | Wife | — | Indiana |
| 17 | Arthur J. Bonn | 30 | Son | — | Kentucky |
| 18 | Margaret Edhouse | 64 | Head | — | Kentucky |
| 19 | Lucy Mittelbeeler | 43 | Head | Nurse | Kentucky |
| 20 | Margaret Whaley | 18 | Daughter | File Clerk | Kentucky |
| 21 | Donald Mittelbeeler | 3 | Son | — | Kentucky |
| 22 | James F. Plant | 27 | Head | Helper Machine Operator | Kentucky |
| 23 | Ella M. Plant | 23 | Wife | — | Kentucky |
| 24 | Billie L. Plant | 4 | Son | — | Kentucky |
| 25 | James F. Plant | 3 | Son | — | Kentucky |
| 26 | James Campbell | 28 | Head | Plasterer | Kentucky |
| 27 | Kathleen Campbell | 26 | Wife | — | Kentucky |
| 28 | James Campbell | 8 | Son | — | Kentucky |
| 29 | Kathleen Campbell | 7 | Daughter | — | Kentucky |
| 30 | Bernard Campbell | 2 | Son | — | Kentucky |
| 31 | Edelin O. Davis | 49 | Head | Painter | Kentucky |
| 32 | Lilly F. Davis | 44 | Wife | — | Kentucky |
| 33 | Thelma R. Davis THIS PERSON | 26 | Daughter | Stamper | Kentucky |
| 34 | Raymond Russell | 29 | Head | Sticker Operator | Kentucky |
| 35 | Bernice Russell | 26 | Wife | — | Kentucky |
| 36 | Kenneth Russell | 5 | Son | — | Kentucky |
| 37 | Alice Russell | 0 | Daughter | — | Kentucky |
| 38 | Raymond Schempeler | 34 | Head | Clerk | Kentucky |
| 39 | Hildegarde Schempeler | 32 | Wife | — | Kentucky |
| 40 | Patricia R. Schempeler | 8 | Daughter | — | Kentucky |
Related Census Records
Pedigree Summary
Thelma
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)