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Mabel Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marshall-County, Indiana
Our Model Tree links this Mabel Thomas across the 1930 and 1940 US Censuses in Marshall-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 10-person household.
Age 18
b. ~1922
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marshall-County, Indiana |
| Surname | Thomas |
| Given Name | Mabel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Plymouth City |
| 1935 Residence (County) | Marshall |
| Additional Details | |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Plymouth City |
| Est. Birth Year | ~1922 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mabel | Age | Birth yr |
|---|---|---|---|---|
| Howard Thomas | Son | — | 16 | ~1924 |
| Gerald Thomas | Son | — | 28 | ~1912 |
| Viola Thomas | Spouse | — | 48 | ~1892 |
| Frank Thomas | Son | — | 13 | ~1927 |
| Donald Thomas | Son | — | 10 | ~1930 |
| Harold Thomas | Son | — | 8 | ~1932 |
| Dorothy Thomas | Daughter | — | 10 | ~1930 |
| Mabel Thomas | Daughter | — | 18 | ~1922 |
| Irene Thomas | Daughter | — | 27 | ~1913 |
| Doris Thomas | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Marshall, Indiana
Daughter, age 8
Marshall, Indiana · implied b. ~1922 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Mabel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marshall-County, Indiana
Daughter, age 18
Marshall-County, Indiana · implied b. ~1922 — 10 household members
| Surname | Thomas |
| Given Name | Mabel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Plymouth City |
| 1935 Residence (County) | Marshall |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Mabel Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mabel Thomas
Daughter · 1940 · age 18 · b. ~1922 · Indiana
★ You are viewing this record
Sibling
Gerald Thomas
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Frank Thomas
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Thomas
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Thomas
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Thomas
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irene Thomas
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Thomas
Sibling · 1940 · age 10
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 — Marshall-County, Indiana
Open full size
1940 US Federal Census — Marshall-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01077-00199)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Viola Thomas | 48 | Wife | — | Indiana |
| 2 | Gerald Thomas | 28 | Son | Laborer | Indiana |
| 3 | Irene Thomas | 27 | Daughter | — | Indiana |
| 4 | Mabel Thomas THIS PERSON | 18 | Daughter | — | Indiana |
| 5 | Howard Thomas | 16 | Son | — | Indiana |
| 6 | Frank Thomas | 13 | Son | — | Indiana |
| 7 | Donald Thomas | 10 | Son | — | Indiana |
| 8 | Dorothy Thomas | 10 | Daughter | — | Indiana |
| 9 | Doris Thomas | 9 | Daughter | — | Indiana |
| 10 | Harold Thomas | 8 | Son | — | Indiana |
| 11 | Emmett Lee | 27 | Head | Truck Driver | Michigan |
| 12 | Virginia Lee | 27 | Wife | — | Florida |
| 13 | Harold Lee | 7 | Son | — | Indiana |
| 14 | Richard Lee | 4 | Son | — | Kentucky |
| 15 | Mary Lee | 2 | Daughter | — | Indiana |
| 16 | John C. Host | 75 | Head | Tin-Smith | Indiana |
| 17 | Stella B. Host | 68 | Wife | — | Indiana |
| 18 | Harold J. Marshall | 45 | Head | Owner & Manager | Indiana |
| 19 | Loretta M. Marshall | 45 | Wife | Laborer | Indiana |
| 20 | Helen C. Marshall | 18 | Daughter | — | Indiana |
| 21 | Head Tillie F. | None | F | — | — |
| 22 | Clyde W. Bentelow | 44 | Head | Huckster | Michigan |
| 23 | Ella R. Bentelow | 39 | Wife | — | Indiana |
| 24 | Clyde Jr. Bentelow | 14 | Son | — | Indiana |
| 25 | Leon Bentelow | 13 | Son | — | Indiana |
| 26 | Richard Bentelow | 8 | Son | — | Indiana |
| 27 | George E. Eckert | 24 | Head | Truck Driver | Indiana |
| 28 | Irene E. Eckert | 24 | Wife | — | Indiana |
| 29 | Ida Jean Eckert | 3 | Daughter | — | Indiana |
| 30 | Ruth Helsel | 36 | Head | — | Indiana |
| 31 | Edith R. Helsel | 75 | Mother | — | Indiana |
| 32 | Florence Van Gilder | 70 | Roomer | — | Indiana |
| 33 | Gail Roberts | 40 | Head | Secretary | Indiana |
| 34 | Ray Myers | 57 | Head | Moving | Indiana |
| 35 | Ruth Myers | 43 | Wife | — | Indiana |
| 36 | Ruth Elaine Myers | 14 | Daughter | — | Indiana |
| 37 | Charles P. Nelson | 73 | Head | — | Sweden |
| 38 | Carrie Nelson | 75 | Wife | — | Sweden |
| 39 | Kathryn Rose | 77 | Head | — | Indiana |
| 40 | Elsie Rose | 52 | Daughter | — | Indiana |
Related Census Records
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)