DM
Donald Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Union-County, Indiana
Our Model Tree links this Donald Martin across the 1920, 1930 and 1940 US Censuses in Union-County, Indiana (XGBoost, ~Confirmed), with identified parents Thomas & Pearl — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Union-County, Indiana |
| Surname | Martin |
| Given Name | Donald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Fayette |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Farmer |
| Township / Ward | Liberty Twp |
| Est. Birth Year | ~1904 |
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 Donald | Age | Birth yr |
|---|---|---|---|---|
| Tressa Martin | Spouse | — | 37 | ~1903 |
| Donald Martin | Head | — | 36 | ~1904 |
| Melvin Martin | Son | — | 12 | ~1928 |
| Donna Martin | Daughter | — | 11 | ~1929 |
Census Appearances
1920
Fayette, Indiana
Son, age 16
Fayette, Indiana · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Donald |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Laborer |
| Industry | General farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Fayette, Indiana
Head, age 26
Fayette, Indiana · implied b. ~1904 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Donald A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 19 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Upfitter |
| Industry | Auto Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 20 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Union-County, Indiana
Head, age 36
Union-County, Indiana · implied b. ~1904 — 4 household members
| Surname | Martin |
| Given Name | Donald |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Fayette |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 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 Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Martin (~0.92 confidence) and mother Pearl Martin (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Martin
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Pearl Martin
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Donald Martin
Head · 1940 · age 36 · b. ~1904 · 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 — Union-County, Indiana
Open full size
1940 US Federal Census — Union-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01100-00582)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clive Harvey | 62 | Head | — | Indiana |
| 2 | Jean Harvey | 53 | Sister | — | Indiana |
| 3 | Ralph Harvey | 51 | Brother | Press Hand | Indiana |
| 4 | Donald Martin THIS PERSON | 36 | Head | Farmer | Indiana |
| 5 | Tressa Martin | 37 | Wife | — | Indiana |
| 6 | Melvin Martin | 12 | Son | — | Indiana |
| 7 | Donna Jean Martin | 11 | Daughter | — | Indiana |
| 8 | Carl Burris | 52 | Head | Farmer | Indiana |
| 9 | Ada Ellen Burris | 45 | Wife | — | Indiana |
| 10 | Edward Burris | 43 | Brother | Farm Laborer | Indiana |
| 11 | Hamp H. Whites | 59 | Head | Farmer | Kentucky |
| 12 | Mary Whites | 50 | Wife | — | Kentucky |
| 13 | H. C. Williamson | 47 | Head | — | Indiana |
| 14 | Hilda Williamson | 16 | Daughter | — | Indiana |
| 15 | Mary Williamson | 13 | Daughter | — | Indiana |
| 16 | Maze Allal Williamson | 23 | Nephew | Farmer | Indiana |
| 17 | Urban O'Harra | 34 | Head | Farm Laborer | Indiana |
| 18 | Gwen O'Harra | 32 | Wife | — | Indiana |
| 19 | Jean O'Harra | 12 | Daughter | — | Indiana |
| 20 | Charles O'Harra | 10 | Son | — | Indiana |
| 21 | Kathryn O'Harra | 9 | Daughter | — | Indiana |
| 22 | Ruth O'Harra | 6 | Daughter | — | Indiana |
| 23 | John Schlechtweg | 64 | Head | Farmer | Indiana |
| 24 | Maria Schlechtweg | 59 | Wife | — | Indiana |
| 25 | Charles Schlechtweg | 35 | Son | Farm Laborer | Indiana |
| 26 | Edward Schlechtweg | 25 | Son | Farm Laborer | Indiana |
| 27 | Lewis Schlechtweg | 17 | Son | — | Indiana |
| 28 | Nola Yards | 8 | Daughter | — | Ohio |
| 29 | Richard Yards | 5 | Child | — | Kentucky |
| 30 | William Whitaker | 54 | Head | Common Laborer | Kentucky |
| 31 | Maxine Whitaker | 47 | Wife | — | Kentucky |
| 32 | James Whitaker | 16 | Son | New Worker | Ohio |
| 33 | Doris Whitaker | 12 | Daughter | — | Ohio |
| 34 | William Whitaker | 10 | Son | — | Indiana |
| 35 | Roberta Whitaker | 7 | Daughter | — | Indiana |
| 36 | Gladith Whitaker | 3 | Daughter | — | Ohio |
| 37 | Fred Tucker | 54 | Head | Farmer | Indiana |
| 38 | Sophia Tucker | 52 | Wife | — | Indiana |
| 39 | Clint Bryson | 45 | Head | Farmer | Indiana |
| 40 | Ethel Bryson | 46 | Wife | — | Indiana |
Pedigree Summary
Donald
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)