FT
Francis Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kentucky
Our Model Tree links this Francis Thomas across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Kentucky (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1918), then head of a 9-person household.
Age 22
b. ~1918
Female
Daughter
Born: Kentucky
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kentucky |
| Surname | Thomas |
| Given Name | Francis L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | nurse maid |
| Industry | private home |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 568 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Nurse Maid |
| Township / Ward | Louisville City |
| Est. Birth Year | ~1918 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| James Thomas | Head | — | 52 | ~1888 |
| Mary Thomas | Daughter | — | 19 | ~1921 |
| Alma Thomas | Spouse | — | 45 | ~1895 |
| Francis Thomas | Daughter | — | 22 | ~1918 |
| Anna Thomas | Other | — | 82 | ~1858 |
| Anthony Thomas | Son | — | 16 | ~1924 |
| Robert Thomas | Son | — | 5 | ~1935 |
| Irvin Thomas | Son | — | 11 | ~1929 |
| Anne Thomas | Daughter | — | 14 | ~1926 |
Census Appearances
1920
Jefferson, Kentucky
Daughter, age 1
Jefferson, Kentucky · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Frances |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| 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 |
Daughter, age 12
Jefferson, Kentucky · implied b. ~1918 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Frances R |
| Relationship to Head | Daughter |
| Sex | F |
| 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
Jefferson-County, Kentucky
Daughter, age 22
Jefferson-County, Kentucky · implied b. ~1918 — 9 household members
| Surname | Thomas |
| Given Name | Francis L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Kentucky |
| 1935 Residence (City) | Louisville City |
| 1935 Residence (County) | Jefferson |
| Occupation | nurse maid |
| Industry | private home |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 568 |
| Highest Grade | H-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 Francis Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Thomas (~0.92 confidence) and father James Thomas (~0.92 confidence) and father William Thomas (~0.92 confidence) and mother Alma Thomas (~0.92 confidence) and mother Frances Thomas (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Thomas
b. ~1888
Source father
● Household
· direct · ~0.92
Father
James Thomas
b. ~1888
Source father
● Household
· direct · ~0.92
Father
William Thomas
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Alma Thomas
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Frances Thomas
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Francis Thomas
Daughter · 1940 · age 22 · b. ~1918 · Kentucky
★ You are viewing this record
Sibling
Robert Thomas
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anne Thomas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Thomas
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irvin Thomas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony 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 — Jefferson-County, Kentucky
Open full size
1940 US Federal Census — Jefferson-County, Kentucky
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01374-00148)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cecil Nichols | 27 | Son | Hand Sander | Kentucky |
| 2 | Marion H. Nichols | 21 | Son | Hand Sander | Kentucky |
| 3 | Lucille Nichols | 18 | Daughter | — | Kentucky |
| 4 | Bernie Skillman | 30 | Head | Cutter | Kentucky |
| 5 | Wilma Skillman | 30 | Wife | — | Indiana |
| 6 | Jack G. Kendall | 22 | Head | Laborer | Indiana |
| 7 | Mamie Kendall | 21 | Wife | — | Indiana |
| 8 | James H. Thomas | 52 | Head | Machinist | Kentucky |
| 9 | Alma Thomas | 45 | Wife | — | Kentucky |
| 10 | Francis L. Thomas THIS PERSON | 22 | Daughter | Nurse Maid | Kentucky |
| 11 | Mary G. Thomas | 19 | Daughter | Labeler | Kentucky |
| 12 | Anthony J. Thomas | 16 | Son | — | Kentucky |
| 13 | Anne H. Thomas | 14 | Daughter | — | Kentucky |
| 14 | Irvin Thomas | 11 | Son | — | Kentucky |
| 15 | Robert Thomas | 5 | Son | — | Kentucky |
| 16 | Anna Thomas | 82 | Mother | — | Kentucky |
| 17 | John W. Elliott | 27 | Head | Clerk Office | Kentucky |
| 18 | Theresa Elliott | 25 | Wife | — | Kentucky |
| 19 | Cecilia Ann Elliott | 4 | Daughter | — | Kentucky |
| 20 | John W. Elliott | 2 | Son | — | Kentucky |
| 21 | Clarence Norris | 26 | Brother-in-law | Laborer | Kentucky |
| 22 | Agnita Norris | 25 | Sister-in-law | — | Kentucky |
| 23 | Vonda L. Norris | 2 | Niece | — | Kentucky |
| 24 | William Kuehn | 76 | Head | Laborer | Indiana |
| 25 | John E. Kuehn | 39 | Son | Gardener | Indiana |
| 26 | William Huddleston | 32 | Head | Repairman | Kentucky |
| 27 | Minnie Huddleston | 31 | Wife | — | Kentucky |
| 28 | Florine Johnson | 14 | Daughter | — | Kentucky |
| 29 | Maggie Huddleston | 49 | Mother | Cleaner | Kentucky |
| 30 | L. H. Huddleston | 52 | Father | Laborer | Kentucky |
| 31 | Roy L. Jones | 32 | Head | Laborer | Kentucky |
| 32 | Lucille Jones | 27 | Wife | Ironer | Kentucky |
| 33 | Nancy A. Jones | 9 | Daughter | — | Kentucky |
| 34 | Leroy Jones | 7 | Son | — | Illinois |
| 35 | Charles Jones | 5 | Son | — | Kentucky |
| 36 | Lucille Jennings | 31 | Sister | Maid | Illinois |
| 37 | Effie Harmon | 54 | Head | — | Ohio |
| 38 | George Mulesonic | 35 | Lodger | Cook | Kentucky |
| 39 | Maggie Huddleston | 49 | Mother | — | Kentucky |
| 40 | John C. Bohn | 53 | Head | Laborer | Kentucky |
Related Census Records
Pedigree Summary
Francis + 5 siblings
Gen 1 · 5 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)