DT
Donald Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lawrence-County, Indiana
Our Model Tree links this Donald Thomas across the 1930 and 1940 US Censuses in Lawrence-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1930), then head of a 8-person household.
Age 10
b. ~1930
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lawrence-County, Indiana |
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Shawswick |
| 1935 Residence (County) | Lawrence |
| Additional Details | |
| Highest Grade | No 3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Shawswick |
| Est. Birth Year | ~1930 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Jane Thomas | Daughter | — | 2 | ~1938 |
| Ralph Thomas | Head | — | 37 | ~1903 |
| Harry Thomas | Son | — | 7 | ~1933 |
| Donald Thomas | Son | — | 10 | ~1930 |
| Betty Thomas | Daughter | — | 16 | ~1924 |
| Susan Thomas | Daughter | — | 13 | ~1927 |
| Ralph Thomas | Son | — | 11 | ~1929 |
| Jessie Thomas | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Lawrence, Indiana
Son, age 1
Lawrence, Indiana · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Donald O. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Lawrence-County, Indiana
Son, age 10
Lawrence-County, Indiana · implied b. ~1930 — 8 household members
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Shawswick |
| 1935 Residence (County) | Lawrence |
| Highest Grade | No 3 |
| 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 Donald Thomas across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Thomas
Son · 1940 · age 10 · b. ~1930 · Indiana
★ You are viewing this record
Sibling
Ralph Thomas
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Susan Thomas
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Thomas
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harry Thomas
Sibling · 1940 · age 7
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 — Lawrence-County, Indiana
Open full size
1940 US Federal Census — Lawrence-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01071-00934)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Stanley Root | 22 | Son | Laborer | Indiana |
| 42 | Freed Starr | 50 | Head | Laborer | Indiana |
| 43 | Mary Starr | 46 | Wife | — | Iowa |
| 44 | Bernice Starr | 20 | Daughter | New Worker | Indiana |
| 45 | Fred Junior Starr | 15 | Son | — | Indiana |
| 46 | Ruth Starr | 11 | Daughter | — | Indiana |
| 47 | Carma Mae Starr | 8 | Daughter | — | Indiana |
| 48 | Barbara Jean Starr | 4 | Daughter | — | Indiana |
| 49 | Walter Payton | 42 | Head | Hooker | Indiana |
| 50 | Hallie Payton | 40 | Wife | — | Indiana |
| 51 | Leonard Payton | 22 | Son | Laborer | Indiana |
| 52 | Helen Payton | 18 | Daughter | — | Indiana |
| 53 | Mary Payton | 15 | Daughter | — | Indiana |
| 54 | Nola Payton | 13 | Daughter | — | Indiana |
| 55 | Opal Payton | 11 | Daughter | — | Indiana |
| 56 | Betty Payton | 8 | Daughter | — | Indiana |
| 57 | Jackie Payton | 6 | Son | — | Indiana |
| 58 | Jerry Payton | 1 | Son | — | Indiana |
| 59 | Ralph Thomas | 37 | Head | Bus Driver | Indiana |
| 60 | Jessie Thomas | 34 | Wife | — | Indiana |
| 61 | Betty Jean Thomas | 16 | Daughter | — | Indiana |
| 62 | Susan Alice Thomas | 13 | Daughter | — | Indiana |
| 63 | Ralph Dale Thomas | 11 | Son | — | Indiana |
| 64 | Donald Thomas THIS PERSON | 10 | Son | — | Indiana |
| 65 | Harry Lee Thomas | 7 | Son | — | Indiana |
| 66 | Jane Thomas | 2 | Daughter | — | Indiana |
| 67 | Charles J. Fountain | 43 | Head | Farmer | Indiana |
| 68 | Mary E. Fountain | 40 | Wife | — | Indiana |
| 69 | Mary Louise Fountain | 20 | Daughter | — | Indiana |
| 70 | Kenneth A. Fountain | 18 | Son | Farm Hand | Indiana |
| 71 | Lois Fountain | 16 | Daughter | — | Indiana |
| 72 | Louis E. Fountain | 14 | Son | — | Indiana |
| 73 | Virginia May Fountain | 12 | Daughter | — | Indiana |
| 74 | Hazel M. Fountain | 8 | Daughter | — | Indiana |
| 75 | Claude Batman | 42 | Head | Farmer | Indiana |
| 76 | Lottie Batman | 39 | Wife | — | Indiana |
| 77 | Winifred Gilstrap | 42 | Head | Farmer | Indiana |
| 78 | Hazel Gilstrap | 42 | Wife | — | Indiana |
| 79 | Gertrude Gilstrap | 20 | Daughter | Maid | Indiana |
| 80 | Kenneth Son Gilstrap | 18 | Son | Farm Hand | Indiana |
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)