FT
Florence Thomas — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, Montana
Our Model Tree links this Florence Thomas across the 1920, 1930 and 1940 US Censuses in Madison-County, Montana (XGBoost, ~Confirmed), with identified parents Frances & Jacob — first a daughter (b.~1894), then head of a 4-person household.
Age 46
b. ~1894
Female
Daughter
Born: Montana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Montana |
| Surname | Thomas |
| Given Name | Florence I. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Virginia City |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Librarian |
| Industry | Co. Library |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 526 |
| Highest Grade | C 4 |
| 1935 Residence | Same House |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Librarian |
| Township / Ward | Virginia City |
| Est. Birth Year | ~1894 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Florence | Age | Birth yr |
|---|---|---|---|---|
| Florence Thomas | Daughter | — | 46 | ~1894 |
| Frances Albright | Head | — | 78 | ~1862 |
| Warren Thomas | Other | — | 50 | ~1890 |
| Clifford Albright | Son | — | 38 | ~1902 |
Census Appearances
1920
Madison, Montana
Spouse, age 26
Madison, Montana · implied b. ~1894 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Florence |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Montana |
| Father's Birthplace | New York |
| Mother's Birthplace | Wyoming |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
Madison, Montana
Daughter, age 36
Madison, Montana · implied b. ~1894 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Florence |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Montana |
| Age at First Marriage | 11 |
| Father's Birthplace | New York |
| Mother's Birthplace | Wyoming |
| Occupation | Librarian |
| Industry | County Library |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Madison-County, Montana
Daughter, age 46
Madison-County, Montana · implied b. ~1894 — 4 household members
| Surname | Thomas |
| Given Name | Florence I. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Virginia City |
| 1935 Residence (County) | Madison |
| Occupation | Librarian |
| Industry | Co. Library |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 526 |
| Highest Grade | C 4 |
| 1935 Residence | Same House |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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. Identified parents: mother Frances Albright (~0.92 confidence) and father Jacob Albright (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Frances Albright
b. ~1862
Source mother
● Household
· direct · ~0.92
Father
Jacob Albright
b. ~1863
Source father
● Household
· direct · ~0.92
This person
Anchor record
Florence Thomas
Daughter · 1940 · age 46 · b. ~1894 · Montana
★ You are viewing this record
Sibling
Clifford Albright
Sibling · 1940 · age 38
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, Montana
Open full size
1940 US Federal Census — Madison-County, Montana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02224-00211)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry C. Nelson | 9 | Son | — | Montana |
| 2 | Leo C. Sr. Musburger | 31 | Head | Co. Supt. Schools | No Dakota |
| 3 | Mary T. Musburger | 29 | Wife | — | Oregon |
| 4 | Leo C. Jr. Musburger | 6 | Son | — | Montana |
| 5 | Robert B. Musburger | 4 | Son | — | Montana |
| 6 | John C. Nelson | 30 | Head | Clerk & Recorder | Montana |
| 7 | Dorothy B. Nelson | 31 | Wife | — | Montana |
| 8 | Jon P. Nelson | 3 | Son | — | Montana |
| 9 | Walter W. Gendrow | 23 | Head | Miner | Montana |
| 10 | Barbara Gendrow | 21 | Wife | — | Montana |
| 11 | Kathleen Gendrow | 0 | Daughter | — | Montana |
| 12 | David R. Andrews | 34 | Head | Proprietor | Montana |
| 13 | Althea Andrews | 35 | Wife | Proprietor | Montana |
| 14 | Frank E. Blair | 44 | Head | Attorney | So Dakota |
| 15 | Eda C. Blair | 33 | Wife | — | Italy |
| 16 | Leonard E. Blair | 10 | Son | — | Montana |
| 17 | John Fachina | 51 | Lodger | Miner | Italy |
| 18 | Charles A. Vincent | 38 | Head | Druggist | So Dakota |
| 19 | Verna Vincent | 37 | Wife | — | Montana |
| 20 | James A. Vincent | 13 | Son | — | Montana |
| 21 | David E. Vincent | 10 | Son | — | Montana |
| 22 | Mary A. Vincent | 8 | Daughter | — | Montana |
| 23 | Thomas M. Raymond | 54 | Head | Engineer | Nebraska |
| 24 | Grace L. Raymond | 54 | Wife | — | Iowa |
| 25 | Esther H. Lichte | 44 | Head | — | Minnesota |
| 26 | Dorothy L. Lichte | 17 | Daughter | — | Montana |
| 27 | Vivian I. Lichte | 15 | Daughter | — | Montana |
| 28 | Katherine B. Lichte | 14 | Daughter | — | Montana |
| 29 | Ellen Marie Lichte | 13 | Daughter | — | Montana |
| 30 | Gertrude Williams | 57 | Head | — | Montana |
| 31 | Percy F. Williams | 37 | Son | Janitor | Montana |
| 32 | Benjamin H. Williams | 22 | Son | Employer | Montana |
| 33 | James A. Schneider | 27 | Head | Miner | Montana |
| 34 | Beulah B. Schneider | 24 | Wife | — | Canada Eng. |
| 35 | Mary Frances Schneider | 1 | Daughter | — | Montana |
| 36 | Frances Albright | 78 | Head | — | Utah |
| 37 | Clifford W. Albright | 38 | Son | Painter | Montana |
| 38 | Florence I. Thomas THIS PERSON | 46 | Daughter | Librarian | Montana |
| 39 | Warren H. Thomas | 50 | Son in LAW | Tax Clerk | Montana |
Pedigree Summary
Florence + 1 sibling
Gen 1 · 2 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)