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James Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Vigo-County, Indiana
Our Model Tree links this James Martin across the 1920, 1930 and 1940 US Censuses in Vigo-County, Indiana (XGBoost, ~Confirmed), with identified parents Johnson & Michael — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Vigo-County, Indiana |
| Surname | Martin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Vigo |
| Additional Details | |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 454 |
| Highest Grade | No 8 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Miner |
| Township / Ward | Shepardsville |
| Est. Birth Year | ~1915 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Rosemary Martin | Daughter | — | 17 | ~1923 |
| Johnson Martin | Head | — | 52 | ~1888 |
| Johnson Martin | Son | — | 15 | ~1925 |
| James Martin | Son | — | 25 | ~1915 |
| Nellie Martin | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Vigo, Indiana
Son, age 5
Vigo, Indiana · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Vigo, Indiana
Son, age 15
Vigo, Indiana · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | James |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| 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
Vigo-County, Indiana
Son, age 25
Vigo-County, Indiana · implied b. ~1915 — 5 household members
| Surname | Martin |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Vigo |
| Occupation | Miner |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 454 |
| 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 James Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Johnson Martin (~0.92 confidence) and father Michael Martin (~0.92 confidence) and father Johnson Martin (~0.92 confidence) and mother Nellie Martin (~0.92 confidence) and mother Nellie Martin (~0.92 confidence) and mother Mary Martin (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Johnson Martin
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Michael Martin
b. ~1896
Source father
● Household
· direct · ~0.92
Father
Johnson Martin
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Nellie Martin
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Nellie Martin
b. ~1900
Source mother
● Household
· direct · ~0.92
Mother
Mary Martin
b. ~1897
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Martin
Son · 1940 · age 25 · b. ~1915 · Indiana
★ You are viewing this record
Sibling
Johnson Martin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rosemary Martin
Sibling · 1940 · age 17
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 — Vigo-County, Indiana
Open full size
1940 US Federal Census — Vigo-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01103-00007)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Arthur S Scott | 28 | Son | Laborer | Indiana |
| 2 | William D Scott | 22 | Son | New Worker | Indiana |
| 3 | Leroy L Scott | 18 | Son | New Worker | Indiana |
| 4 | Cloris W Scott | 16 | Son | Laborer | Indiana |
| 5 | Nynnette C Scott | 14 | Daughter | — | Indiana |
| 6 | Sandford R Scott | 12 | Son | — | Indiana |
| 7 | Charles W France | 61 | Head | Laborer | Indiana |
| 8 | Ray Berry | 31 | Head | Miner | Indiana |
| 9 | Ruby M Berry | 50 | Wife | — | Indiana |
| 10 | Ancil J Miller | 54 | Head | Hoisting Engineer | Indiana |
| 11 | Blanche Miller | 53 | Wife | — | Indiana |
| 12 | William C Lapworth | 52 | Head | — | England |
| 13 | Anne Lapworth | 24 | Daughter | — | Indiana |
| 14 | Charles C Stewart | 30 | Head | Miner | Indiana |
| 15 | Anna B Stewart | 21 | Wife | — | Indiana |
| 16 | Charles Jr Stewart | 1 | Son | — | Indiana |
| 17 | Jacob Dolph | 29 | Head | Section Hand | Indiana |
| 18 | Ruby Dolph | 20 | Wife | — | Indiana |
| 19 | Loretta F Dolph | 2 | Daughter | — | Indiana |
| 20 | Alfred Boatman | 53 | Head | Laborer | Indiana |
| 21 | Raymond Mullins | 26 | Head | Laborer | Indiana |
| 22 | Agnes Mullins | 26 | Wife | — | Indiana |
| 23 | Barbara J Mullins | 5 | Daughter | — | Indiana |
| 24 | George Pritchard | 57 | Head | — | Indiana |
| 25 | Bertha Pritchard | 57 | Wife | — | Indiana |
| 26 | Hershel Pritchard | 21 | Son | Laborer | Indiana |
| 27 | Lenard Ellis | 21 | Head | Laborer | Indiana |
| 28 | Frances K Ellis | 22 | Wife | — | Indiana |
| 29 | Verlin L Ellis | 2 | Son | — | Indiana |
| 30 | Johnson Martin | 52 | Head | Laborer | Indiana |
| 31 | Nellie Martin | 50 | Wife | — | Michigan |
| 32 | James Martin THIS PERSON | 25 | Son | Miner | Indiana |
| 33 | Rosemary Martin | 17 | Daughter | — | Indiana |
| 34 | Johnson Jr Martin | 15 | Son | — | Indiana |
| 35 | Thos Stewart | 56 | Head | Coal Miner | Indiana |
| 36 | Alma Stewart | 49 | Wife | — | Indiana |
| 37 | Beatrice B Cutta | 37 | Head | Seamstress | Indiana |
| 38 | Alfred Groves | 32 | Head | Timber Man | England |
| 39 | Doris L Groves | 35 | Wife | — | England |
| 40 | Edward Groves | 11 | Son | — | Indiana |
Pedigree Summary
James + 2 siblings
Gen 1 · 6 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)