RM
Roy Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vanderburgh-County, Indiana
Our Model Tree links this Roy Martin across the 1920, 1930 and 1940 US Censuses in Vanderburgh-County, Indiana (XGBoost, ~Confirmed), with identified parents Hughes & Samuel — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vanderburgh-County, Indiana |
| Surname | Martin |
| Given Name | Roy |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Evansville |
| 1935 Residence (County) | Vanderburgh |
| Additional Details | |
| Occupation | salesman |
| Industry | retail automobile dealer |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 1000 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Salesman |
| Township / Ward | Evansville |
| Est. Birth Year | ~1919 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Roy | Age | Birth yr |
|---|---|---|---|---|
| Lavena Martin | Daughter | — | 11 | ~1929 |
| Carrie Martin | Spouse | — | 45 | ~1895 |
| Dewey Martin | Son | — | 18 | ~1922 |
| Raymond Martin | Son | — | 16 | ~1924 |
| Roy Martin | Son | — | 21 | ~1919 |
| Samuel Martin | Head | — | 49 | ~1891 |
Census Appearances
1920
Vanderburgh, Indiana
Son, age 1
Vanderburgh, Indiana · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Roy |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Vanderburgh, Indiana
Son, age 11
Vanderburgh, Indiana · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Ray |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Vanderburgh-County, Indiana
Son, age 21
Vanderburgh-County, Indiana · implied b. ~1919 — 6 household members
| Surname | Martin |
| Given Name | Roy |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Evansville |
| 1935 Residence (County) | Vanderburgh |
| Occupation | salesman |
| Industry | retail automobile dealer |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 1000 |
| Highest Grade | No 4 |
| 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 Roy Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Hughes Martin (~0.92 confidence) and father Samuel Martin (~0.92 confidence) and mother Carrie Martin (~0.92 confidence) and mother Ethel Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Hughes Martin
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Samuel Martin
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Carrie Martin
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Ethel Martin
b. ~1894
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Roy Martin
Son · 1940 · age 21 · b. ~1919 · Indiana
★ You are viewing this record
Sibling
Lavena Martin
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Martin
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dewey Martin
Sibling · 1940 · age 18
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 — Vanderburgh-County, Indiana
Open full size
1940 US Federal Census — Vanderburgh-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01101-00560)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frederick W. Mary | 26 | head | Groom | Ohio |
| 2 | Lucile Mary | 20 | wife | — | Kentucky |
| 3 | Robert W. Mckinney | 59 | lodger | Groom | Kentucky |
| 4 | Jewell L. Byrd | 32 | head | Welder | Kentucky |
| 5 | Irene Byrd | 32 | wife | — | Kentucky |
| 6 | Ellis G. Hester | 43 | head | Machinist | Kentucky |
| 7 | Salibell Hester | 35 | wife | — | Kentucky |
| 8 | Mildred Hester | 15 | daughter | — | Kentucky |
| 9 | William B. Smock | 36 | head | Boner | Kentucky |
| 10 | Edna C. Smock | 32 | wife | — | Illinois |
| 11 | Henry W. Jr. Feldbush | 32 | head | Welder | Indiana |
| 12 | Hazel Feldbush | 32 | wife | — | Indiana |
| 13 | Farrell Feldbush | 8 | son | — | Indiana |
| 14 | Norris N. Bullock | 29 | head | Welder | Indiana |
| 15 | Laura M. Bullock | 24 | wife | — | Indiana |
| 16 | Vid Foster | 67 | mother-in-law | — | Indiana |
| 17 | Amil Foster | 33 | brother-in-law | — | Indiana |
| 18 | Fred Rundell | 53 | head | Car Inspector | Indiana |
| 19 | Dessie Rundell | 52 | wife | — | Indiana |
| 20 | George Rundell | 16 | son | — | Indiana |
| 21 | Geo. T. Jordon | 26 | head | Tool-Die Maker | Indiana |
| 22 | Velma Jordon | 27 | wife | — | Indiana |
| 23 | Ray J. Edmmison | 40 | head | Laborer | Illinois |
| 24 | Frieda Edmmison | 35 | wife | — | Missouri |
| 25 | Samuel H. Martin | 49 | head | Tree Surgeon | Kentucky |
| 26 | Carrie Martin | 45 | wife | — | Indiana |
| 27 | Roy Martin THIS PERSON | 21 | son | Salesman | Indiana |
| 28 | Dewey W. Martin | 18 | son | Assembler | Indiana |
| 29 | Raymond Martin | 16 | son | — | Indiana |
| 30 | Lavena Martin | 11 | daughter | — | Indiana |
| 31 | Presley J. Witzel | 38 | head | Laborer | Indiana |
| 32 | Mabel L. Witzel | 35 | wife | Cleaner | Kentucky |
| 33 | Phares F. Frantz | 37 | head | Carpenter | Indiana |
| 34 | Anna Frantz | 31 | wife | — | Indiana |
| 35 | Phares F. Jr. Frantz | 14 | son | — | Indiana |
| 36 | Charles Roy Frantz | 13 | son | — | Indiana |
| 37 | Earnie L. Frantz | 9 | son | — | Indiana |
| 38 | Katie Mae Frantz | 8 | daughter | — | Indiana |
| 39 | Don F. Frantz | 5 | son | — | Indiana |
| 40 | Sharon N. Frantz | 3 | daughter | — | Indiana |
Pedigree Summary
Roy + 3 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)