JM
John Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Elkhart-County, Indiana
Our Model Tree links this John Martin across the 1920, 1930 and 1940 US Censuses in Elkhart-County, Indiana (XGBoost, ~Confirmed), with identified parents Henry & Elizabeth — first a head (b.~1914), then head of a 5-person household.
Age 26
b. ~1914
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Elkhart-County, Indiana |
| Surname | Martin |
| Given Name | John S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Harrison twp |
| 1935 Residence (County) | Elkhart |
| Additional Details | |
| Occupation | farmer |
| Industry | farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 1935 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Farmer |
| Township / Ward | Harrison Twp |
| Est. Birth Year | ~1914 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Naomi Martin | Daughter | — | 2 | ~1938 |
| Ina Martin | Daughter | — | 3 | ~1937 |
| Ellen Martin | Daughter | — | 1 | ~1939 |
| John Martin | Head | — | 26 | ~1914 |
| Catherine Martin | Spouse | — | 25 | ~1915 |
Census Appearances
1920
Elkhart, Indiana
Son, age 6
Elkhart, Indiana · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Elkhart, Indiana
Son, age 16
Elkhart, Indiana · implied b. ~1914 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Elkhart-County, Indiana
Head, age 26
Elkhart-County, Indiana · implied b. ~1914 — 5 household members
| Surname | Martin |
| Given Name | John S |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Harrison twp |
| 1935 Residence (County) | Elkhart |
| Occupation | farmer |
| Industry | farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 1935 |
| Highest Grade | Hs 1 |
| 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 John Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Henry Martin (~0.92 confidence) and mother Elizabeth Martin (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Henry Martin
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Martin
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Martin
Head · 1940 · age 26 · b. ~1914 · 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 — Elkhart-County, Indiana
Open full size
1940 US Federal Census — Elkhart-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01041-00479)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl Christopher | 36 | Head | Salesman | Indiana |
| 2 | Grace M Christopher | 34 | Wife | None | Indiana |
| 3 | Donald Christopher | 11 | Son | — | Indiana |
| 4 | John S Martin THIS PERSON | 26 | Head | Farmer | Indiana |
| 5 | Catherine Martin | 25 | Wife | — | Indiana |
| 6 | Ina Martin | 3 | Daughter | — | Indiana |
| 7 | Naomi Martin | 2 | Daughter | — | Indiana |
| 8 | Ellen Martin | 1 | Daughter | — | Indiana |
| 9 | Albert H Mast | 50 | Head | Farmer | Indiana |
| 10 | Goldie Mast | 48 | Wife | — | Indiana |
| 11 | Eldon Mast | 21 | Son | Carpenter | Indiana |
| 12 | Floran Mast | 16 | Son | — | Indiana |
| 13 | Paul Mast | 11 | Son | — | Indiana |
| 14 | Herbert L Risser | 31 | Head | Farmer-Trucker | Indiana |
| 15 | Ethel Risser | 31 | Wife | — | Indiana |
| 16 | Robert Risser | 5 | Son | — | Indiana |
| 17 | Virgil Gibson | 22 | Hired hand | Hired Help | Indiana |
| 18 | David D Culp | 72 | Head | Farmer | Indiana |
| 19 | Lucinda Culp | 64 | Wife | — | Indiana |
| 20 | Howard Culp | 44 | Son | Laborer | Indiana |
| 21 | Reuben L Martin | 51 | Head | Farmer | Indiana |
| 22 | Ella Martin | 45 | Wife | — | Indiana |
| 23 | Mabel Martin | 18 | Daughter | — | Indiana |
| 24 | Lucy Martin | 17 | Daughter | — | Indiana |
| 25 | James H Martin | 13 | Son | — | Indiana |
| 26 | Ralph H Martin | 11 | Son | — | Indiana |
| 27 | Walter H Martin | 1 | Son | — | Indiana |
| 28 | Orval Anglemeyer | 26 | Head | Farmer | Indiana |
| 29 | Avilla Anglemeyer | 27 | Wife | — | Indiana |
| 30 | Dorris Anglemeyer | 3 | Daughter | — | Indiana |
| 31 | Ira Ramer | 23 | Head | Farmer | Indiana |
| 32 | Ida S Ramer | 23 | Wife | — | Indiana |
| 33 | George B Moyer | 59 | Head | Contractor | Indiana |
| 34 | Cleda Moyer | 60 | Wife | — | Indiana |
| 35 | Berniece Moyer | 21 | Daughter | Clerk | Indiana |
| 36 | Charles Wenger | 39 | Head | Farmer | Indiana |
| 37 | Goldie D Wenger | 38 | Wife | — | Indiana |
| 38 | Myrtle Wenger | 19 | Daughter | Seamstress | Indiana |
| 39 | Leota Wenger | 18 | Daughter | — | Indiana |
| 40 | Helen Wenger | 15 | Daughter | — | Indiana |
Pedigree Summary
John
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)