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Eugene Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Darke-County, Ohio
Our Model Tree links this Eugene Martin across the 1920, 1930 and 1940 US Censuses in Darke-County, Ohio (XGBoost, ~Confirmed), with identified parents Ernest & Walter — first a son (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Darke-County, Ohio |
| Surname | Martin |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Randolph |
| 1935 Residence (County) | Randolph |
| Additional Details | |
| Occupation | New worker |
| Industry | Body factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | H-4 |
| 1935 Residence | Indiana |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | New Worker |
| Township / Ward | Washington Twp |
| Est. Birth Year | ~1910 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Eugene | Age | Birth yr |
|---|---|---|---|---|
| Eugene Martin | Son | — | 30 | ~1910 |
| James Martin | Son | — | 23 | ~1917 |
| Ernest Martin | Head | — | 53 | ~1887 |
| Raymond Martin | Son | — | 17 | ~1923 |
| Louise Martin | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Miami, Ohio
Son, age 10
Miami, Ohio · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Miami, Ohio
Son, age 20
Miami, Ohio · implied b. ~1910 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Darke-County, Ohio
Son, age 30
Darke-County, Ohio · implied b. ~1910 — 5 household members
| Surname | Martin |
| Given Name | Eugene |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Randolph |
| 1935 Residence (County) | Randolph |
| Occupation | New worker |
| Industry | Body factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | H-4 |
| 1935 Residence | Indiana |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Eugene Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ernest Martin (~0.92 confidence) and father Walter Martin (~0.92 confidence) and mother Louise Martin (~0.92 confidence) and mother Mabel Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ernest Martin
b. ~1887
Source father
● Household
· direct · ~0.92
Father
Walter Martin
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Louise Martin
b. ~1887
Source mother
● Household
· direct · ~0.92
Mother
Mabel Martin
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Eugene Martin
Son · 1940 · age 30 · b. ~1910 · Ohio
★ You are viewing this record
Sibling
Raymond Martin
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Martin
Sibling · 1940 · age 23
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 — Darke-County, Ohio
Open full size
1940 US Federal Census — Darke-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03060-01000)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Raymond Sharpe | 59 | Head | Farmer | Ohio |
| 2 | Maud A. Sharpe | 54 | Wife | — | Ohio |
| 3 | Daine Sharpe | 22 | Son | Truck Driver | Ohio |
| 4 | Opal M. Sharpe | 23 | Daughter | — | Ohio |
| 5 | Martha J. Sharpe | 3 | Daughter | — | Ohio |
| 6 | Anna Mae Sharpe | 17 | Daughter | — | Ohio |
| 7 | Mary Lee Sharpe | 14 | Daughter | — | Ohio |
| 8 | Alvin E. Henning | 64 | Head | Farmer | Ohio |
| 9 | Minnie F. Henning | 55 | Wife | — | Ohio |
| 10 | John A. Henning | 21 | Son | Farm Hand | Ohio |
| 11 | James H. Armacost | 58 | Head | Farmer | Ohio |
| 12 | Anna X. Armacost | 54 | Wife | — | Ohio |
| 13 | Murray J. Teaford | 59 | Head | Farmer | Ohio |
| 14 | Emma Teaford | 55 | Wife | — | Ohio |
| 15 | John W. Deeter | 67 | Head | Farmer | Ohio |
| 16 | Barbara Deeter | 61 | Wife | — | Ohio |
| 17 | Carl W. Deeter | 21 | Son | Laborer | Ohio |
| 18 | William J. Deeter | 43 | Son | New Worker | Ohio |
| 19 | Richard Deeter | 13 | Grandson | — | Ohio |
| 20 | Paul Deeter | 7 | Grandson | — | Ohio |
| 21 | Elizabeth Farmer | 71 | Sister-in-law | — | Ohio |
| 22 | George W. Stephens | 36 | Head | Machinist | Ohio |
| 23 | Estella E. Stephens | 34 | Wife | — | Ohio |
| 24 | Donna J. Stephens | 14 | Daughter | — | Ohio |
| 25 | Ray K. Stephens | 13 | Son | — | Ohio |
| 26 | William J. Stephens | 78 | Father | — | Ohio |
| 27 | Irvin R. Slick | 57 | Head | Farmer | Indiana |
| 28 | Sadie R. Slick | 47 | Wife | — | Ohio |
| 29 | Raymond F. Slick | 17 | Son | — | Ohio |
| 30 | Dorothy M. Slick | 13 | Daughter | — | Ohio |
| 31 | John E. Slick | 9 | Son | — | Ohio |
| 32 | Everett E. Cole | 39 | Head | Engineer | Illinois |
| 33 | Esta V. Cole | 40 | Wife | — | Indiana |
| 34 | Ida M. Cable | 76 | Head | Farm Owner | Ohio |
| 35 | Chas R. Miller | 44 | Head | Mechanic | Ohio |
| 36 | Ernest E. Martin | 53 | Head | Farmer | Indiana |
| 37 | Louise Martin | 53 | Wife | — | Michigan |
| 38 | Eugene Martin THIS PERSON | 30 | Son | New Worker | Ohio |
| 39 | James Martin | 23 | Son | Laborer | Ohio |
| 40 | Raymond Martin | 17 | Son | — | Ohio |
Pedigree Summary
Eugene + 2 siblings
Gen 1 · 4 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)