DT
Dora Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · St.-Joseph-County, Indiana
Our Model Tree links this Dora Thomas across the 1930 and 1940 US Censuses in St.-Joseph-County, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1900), then head of a 8-person household.
Age 40
b. ~1900
Female
Spouse
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | St.-Joseph-County, Indiana |
| Surname | Thomas |
| Given Name | Dora |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | South Bend |
| 1935 Residence (County) | St. Joseph |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Township / Ward | South Bend |
| Est. Birth Year | ~1900 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Dora | Age | Birth yr |
|---|---|---|---|---|
| Juanita Thomas | Daughter | — | 13 | ~1927 |
| Albert Thomas | Son | — | 6 | ~1934 |
| Evelyn Thomas | Daughter | — | 8 | ~1932 |
| Melvin Thomas | Son | — | 3 | ~1937 |
| Dora Thomas | Spouse | — | 40 | ~1900 |
| David Thomas | Head | — | 41 | ~1899 |
| Ethel Thomas | Daughter | — | 15 | ~1925 |
| David Thomas | Son | — | 10 | ~1930 |
Census Appearances
1930
St Joseph, …
Other, age 30
St Joseph, Indiana · implied b. ~1900 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Dora E. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Mississippi |
| Age at First Marriage | 16 |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
St.-Joseph-County, Indiana
Spouse, age 40
St.-Joseph-County, Indiana · implied b. ~1900 — 8 household members
| Surname | Thomas |
| Given Name | Dora |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | South Bend |
| 1935 Residence (County) | St. Joseph |
| Class of Worker | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same Place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Dora Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Dora Thomas
Spouse · 1940 · age 40 · b. ~1900 · Indiana
★ 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 — St.-Joseph-County, Indiana
Open full size
1940 US Federal Census — St.-Joseph-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01135-00525)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ralph Bradley | 15 | Son | — | Indiana |
| 2 | David Thomas | 41 | Head | Water Tester | Georgia |
| 3 | Dora Thomas THIS PERSON | 40 | Wife | — | Mississippi |
| 4 | Ethel Mae Thomas | 15 | Daughter | — | Indiana |
| 5 | Juanita Thomas | 13 | Daughter | — | Indiana |
| 6 | David Jr. Thomas | 10 | Son | — | Indiana |
| 7 | Evelyn Thomas | 8 | Daughter | — | Indiana |
| 8 | Albert R. Thomas | 6 | Son | — | Indiana |
| 9 | Melvin L. Thomas | 3 | Son | — | Indiana |
| 10 | Cleo Ryans | 31 | Head | — | Indiana |
| 11 | Patricia Miller | 23 | Roomer | Entertainer | Indiana |
| 12 | Francis Stricher | 23 | Roomer | Entertainer | Indiana |
| 13 | Annette Grzegorczyk | 34 | Roomer | Entertainer | Indiana |
| 14 | Sally Jones | 27 | Roomer | Entertainer | Illinois |
| 15 | John Smith | 32 | Roomer | Entertainer | Michigan |
| 16 | Carrie Anderson | 45 | Head | Proprietor | Indiana |
| 17 | Richard Harris | 42 | Head | Solicitor | Indiana |
| 18 | Millie Houbek | 29 | Head | Proprietor | Nebraska |
| 19 | George Tourek | 28 | Head | Shoveler | Tennessee |
| 20 | Evelyn Tourek | 26 | Wife | — | Indiana |
| 21 | Georgia B. Tourek | 5 | Daughter | — | Tennessee |
| 22 | Christopher Billingsly | 49 | Roomer | Shaker | Alabama |
| 23 | Sam Johnson | 48 | Roomer | Bottom Man | Iowa |
| 24 | Charles Walker | 32 | Head | Laborer | Georgia |
| 25 | Ollie May Walker | 23 | Wife | — | Alabama |
| 26 | John Lee | 11 | Step Son | — | Alabama |
| 27 | David Lee | 8 | Step Son | — | Alabama |
| 28 | Anna Jean Lee | 5 | Step Daughter | — | Alabama |
| 29 | Charles Jr. Walker | 2 | Son | — | Indiana |
| 30 | Earl Walker | 0 | Son | — | Indiana |
| 31 | Lena Smith | 25 | Sister in Law | Housework | Alabama |
| 32 | Otis Smith | 5 | Nephew | — | Alabama |
| 33 | Jewel Chapman | 19 | Sister in Law | Housework | Alabama |
| 34 | James Chism | 22 | Head | Laborer | Missouri |
| 35 | Lillian Chism | 20 | Wife | — | Tennessee |
| 36 | Shirley Ann Chism | 2 | Daughter | — | Indiana |
| 37 | Henry Douglas | 37 | Head | Polisher | Tennessee |
| 38 | Mabel Douglas | 12 | Daughter | — | Tennessee |
| 39 | Vernell Douglas | 10 | Daughter | — | Tennessee |
| 40 | Elizabeth Reed | 30 | Keeper | Housekeeper | 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)