DT
Donald Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Parke-County, Indiana
Our Model Tree links this Donald Thomas across the 1930 and 1940 US Censuses in Parke-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 11-person household.
Age 11
b. ~1929
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Parke-County, Indiana |
| Surname | Thomas |
| Given Name | Donald Lee |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Parke |
| Additional Details | |
| Highest Grade | G 5 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Florida |
| Est. Birth Year | ~1929 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Florence Thomas | Daughter | — | 5 | ~1935 |
| Billy Thomas | Son | — | 14 | ~1926 |
| Gloria Thomas | Daughter | — | 9 | ~1931 |
| Mickey Thomas | Son | — | 3 | ~1937 |
| Bobby Thomas | Son | — | 6 | ~1934 |
| Richard Thomas | Son | — | 16 | ~1924 |
| Margaret Thomas | Spouse | — | 32 | ~1908 |
| Donald Thomas | Son | — | 11 | ~1929 |
| Bonnie Thomas | Daughter | — | ~1940 | |
| Mary Thomas | Daughter | — | 12 | ~1928 |
| Orville Thomas | Head | — | 36 | ~1904 |
Census Appearances
1930
Madison, Indiana
Son, age 1
Madison, Indiana · implied b. ~1929 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Indiana |
| Occupation | none |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Parke-County, Indiana
Son, age 11
Parke-County, Indiana · implied b. ~1929 — 11 household members
| Surname | Thomas |
| Given Name | Donald Lee |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Parke |
| Highest Grade | G 5 |
| 1935 Residence | Indiana |
| 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 11 · b. ~1929 · Indiana
★ You are viewing this record
Sibling
Mary Thomas
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Thomas
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Thomas
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Thomas
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gloria Thomas
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mickey Thomas
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bobby Thomas
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bonnie Thomas
Sibling · 1940 · age
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 — Parke-County, Indiana
Open full size
1940 US Federal Census — Parke-County, Indiana
Page Contents
33 people indexed on this census page (nara:1940:m-t0627-01084-00145)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dolores Overpeck | 11 | daughter | — | Indiana |
| 42 | William Holbert | 52 | Head | Farmer | Indiana |
| 43 | Minnie Holbert | 46 | wife | — | Indiana |
| 44 | Ralph Holbert | 18 | son | New Worker | Indiana |
| 45 | Virgil Moore | 35 | Head | Pipe Line Employee | Indiana |
| 46 | Pearl Moore | 31 | wife | — | Michigan |
| 47 | Betty Moore | 15 | daughter | — | Michigan |
| 48 | Russell Moore | 12 | son | — | Michigan |
| 49 | Evelyn Moore | 10 | daughter | — | Indiana |
| 50 | Charles Moore | 64 | father | Night Watchman | Illinois |
| 51 | D. V. Pifley | 74 | Head | Farmer | Indiana |
| 52 | Frida Pifley | 72 | wife | — | Indiana |
| 53 | Earl Pifley | 33 | son | Farmer | Indiana |
| 54 | Thelma Pifley | 30 | daughter | — | Indiana |
| 55 | Claude Pefley | 45 | Head | Farmer | Indiana |
| 56 | Gladys Pefley | 47 | wife | — | Indiana |
| 57 | Milkey Pefley | 15 | daughter | — | Indiana |
| 58 | John Virostko | 57 | Head | Farmer | Ohio |
| 59 | Thomas Virostko | 26 | son | Farmer | Indiana |
| 60 | Frank Virostko | 24 | son | Farmer | Indiana |
| 61 | Samuel Virostko | 22 | son | New Worker | Indiana |
| 62 | Fred Virostko | 20 | son | New Worker | Indiana |
| 63 | Orville Thomas | 36 | Head | Bus Driver | Indiana |
| 64 | Margaret Thomas | 32 | wife | — | Indiana |
| 65 | Richard Thomas | 16 | son | — | Indiana |
| 66 | Billy Ray Thomas | 14 | son | — | Indiana |
| 67 | Mary E. Thomas | 12 | daughter | — | Indiana |
| 68 | Donald Lee Thomas THIS PERSON | 11 | son | — | Indiana |
| 69 | Gloria Gale Thomas | 9 | daughter | — | Indiana |
| 70 | Bobby Wayne Thomas | 6 | son | — | Indiana |
| 71 | Florence M. Thomas | 5 | daughter | — | Indiana |
| 72 | Mickey J. Thomas | 3 | son | — | Indiana |
| 73 | Bonnie June Thomas | 0 | daughter | — | 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)