FT
Florence Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this Florence Thomas across the 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed) — first a spouse (b.~1899), then head of a 3-person household.
Age 41
b. ~1899
Female
Spouse
Born: Alabama
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Thomas |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | BIRMINGHAM (part of) |
| 1935 Residence (County) | JEFFERSON |
| Additional Details | |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Birmingham Part Of |
| Est. Birth Year | ~1899 |
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 Florence | Age | Birth yr |
|---|---|---|---|---|
| Melba Thomas | Daughter | — | 19 | ~1921 |
| William Thomas | Head | — | 47 | ~1893 |
| Florence Thomas | Spouse | — | 41 | ~1899 |
Census Appearances
1920
Jefferson, Alabama
Spouse, age 22
Jefferson, Alabama · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Married |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Other, age 32
Jefferson, Alabama · implied b. ~1898 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Florence |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 18 |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Spouse, age 41
Jefferson-County, Alabama · implied b. ~1899 — 3 household members
| Surname | Thomas |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | BIRMINGHAM (part of) |
| 1935 Residence (County) | JEFFERSON |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Florence Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Florence Thomas
Spouse · 1940 · age 41 · b. ~1899 · Alabama
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00098-00184)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elmer L. Horne | 45 | Head | Miner-Coal | Alabama |
| 2 | Myrtie L. Horne | 44 | Wife | — | Alabama |
| 3 | Vernon W. Horne | 16 | Daughter | — | Alabama |
| 4 | Robert F. Adams | 32 | Head | Crane Operator | Alabama |
| 5 | Victoria M. Adams | 31 | Wife | — | Alabama |
| 6 | Helen F. Adams | 13 | Daughter | — | Alabama |
| 7 | Richard V. Adams | 54 | Father | Machinist | Alabama |
| 8 | William A. Thomas | 47 | Head | Employment Office | Alabama |
| 9 | Florence Thomas THIS PERSON | 41 | Wife | — | Alabama |
| 10 | Melba Thomas | 19 | Daughter | Assorter Tin Plate | Alabama |
| 11 | Robert H. Bowles | 67 | Head | Pump Operator | Georgia |
| 12 | Maggie Bowles | 62 | Wife | — | Alabama |
| 13 | Author Bowles | 27 | Son | Electric Welder | Alabama |
| 14 | Otto J. Bowles | 25 | Son | Retail Grocery Salesman | Alabama |
| 15 | Ben F. Brewster | 52 | Head | Building Carpenter | Alabama |
| 16 | Mary E. Brewster | 50 | Wife | — | Alabama |
| 17 | Ross Brewster | 25 | Son | Tinner | Alabama |
| 18 | Mildred L. Brewster | 20 | Daughter | Plate Inspector | Alabama |
| 19 | Robert H. Brewster | 17 | Son | — | Alabama |
| 20 | Ethel S. Mitchell | 43 | Head | — | Alabama |
| 21 | Gerney D. Mitchell | 18 | Son | Retail Store Salesman | Alabama |
| 22 | Jewel M. Mitchell | 16 | Daughter | — | Alabama |
| 23 | James J. Mitchell | 14 | Son | Delivery Boy Retail Store | Alabama |
| 24 | — | None | — | — | — |
| 25 | Leland R. Sides | 37 | Head | Electric Welder | Alabama |
| 26 | Annie M. Sides | 32 | Wife | — | Alabama |
| 27 | Walter J. Crow | 25 | Head | Route Salesman Bakery | Alabama |
| 28 | Gladys M. Crow | 24 | Wife | — | Alabama |
| 29 | Glenda J. Crow | 0 | Daughter | — | Alabama |
| 30 | Charles W. Mcnair | 53 | Head | Steam Locomotive Engineer | Alabama |
| 31 | Sue M. Mcnair | 52 | Wife | — | Alabama |
| 32 | Charles L. Mcnair | 31 | Son | Tin Roller | Alabama |
| 33 | Paul L. Jones | 35 | Head | Electric Welder | Alabama |
| 34 | Zilla F. Jones | 23 | Wife | — | Georgia |
| 35 | Paul A. Jones | 4 | Son | — | Alabama |
| 36 | Marion F. Gideon | 69 | Head | Crossing Watchman | Mississippi |
| 37 | Katie Gideon | 66 | Wife | — | Alabama |
| 38 | Virginia H. January | 22 | Boarder | New Worker | Alabama |
| 39 | Lacey T. Mosely | 33 | Head | Attendant | Alabama |
| 40 | Eloise Mosely | 18 | Wife | — | Mississippi |
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)