TJ
Thomas Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Martin-County, Indiana
Our Model Tree links this Thomas Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Martin-County, Indiana (XGBoost, ~Confirmed), with identified parents James & Belda — first a head (b.~1899), then head of a 5-person household.
Age 41
b. ~1899
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Martin-County, Indiana |
| Surname | Johnson |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Mitcheltree Township |
| 1935 Residence (County) | Martin |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road Const. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 525 |
| Highest Grade | No 2 |
| 1935 Residence | Same House |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Laborer |
| Township / Ward | Mitcheltree Township |
| Est. Birth Year | ~1899 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Charlotte Johnson | Daughter | — | 12 | ~1928 |
| Ruth Johnson | Daughter | — | 14 | ~1926 |
| Thomas Johnson | Head | — | 41 | ~1899 |
| Robert Johnson | Son | — | 10 | ~1930 |
| Eva Johnson | Spouse | — | 38 | ~1902 |
Census Appearances
1910
Martin, Indiana
Son, age 11
Martin, Indiana · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1920
Martin, Indiana
Son, age 20
Martin, Indiana · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Martin, Indiana
Head, age 31
Martin, Indiana · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 21 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | VVVE |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 60 |
| Veteran | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Martin-County, Indiana
Head, age 41
Martin-County, Indiana · implied b. ~1899 — 5 household members
| Surname | Johnson |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 41 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Mitcheltree Township |
| 1935 Residence (County) | Martin |
| Occupation | Laborer |
| Industry | Road Const. |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 525 |
| Highest Grade | No 2 |
| 1935 Residence | Same House |
| 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 Thomas Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Johnson (~0.92 confidence) and mother Belda Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Johnson
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Belda Johnson
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Johnson
Head · 1940 · age 41 · b. ~1899 · 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 — Martin-County, Indiana
Open full size
1940 US Federal Census — Martin-County, Indiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01077-00924)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Homer Mundy | 54 | Head | Farmer | Indiana |
| 2 | Ella Mundy | 53 | Wife | — | Indiana |
| 3 | Maurice (A) Mundy | 30 | Daughter | — | Indiana |
| 4 | Robert B Reeves | 58 | Head | Farmer | Indiana |
| 5 | Jesse Lemen | 39 | Head | Telegraph Op. | Indiana |
| 6 | Estelle Lemen | 37 | Wife | — | Indiana |
| 7 | Glen Lemen | 11 | Son | — | Indiana |
| 8 | Charles O Mundy | 57 | Head | Farmer | Indiana |
| 9 | Mary Mundy | 51 | Wife | — | Indiana |
| 10 | Charles R. Mundy | 24 | Son | Laborer | Indiana |
| 11 | Jess Grissom | 63 | Head | Farmer | Indiana |
| 12 | Lela Grissom | 64 | Wife | — | Indiana |
| 13 | Thomas Johnson THIS PERSON | 41 | Head | Laborer | Indiana |
| 14 | Eva Johnson | 38 | Wife | — | Indiana |
| 15 | Ruth Johnson | 14 | Daughter | — | Indiana |
| 16 | Charlotte Johnson | 12 | Daughter | — | Indiana |
| 17 | Robert Johnson | 10 | Son | — | Indiana |
| 18 | Eddie Halt | 46 | Head | Laborer | Indiana |
| 19 | Robert Halt | 16 | Son | New Worker | Indiana |
| 20 | Bernice Halt | 14 | Daughter | — | Indiana |
| 21 | Annabella Halt | 12 | Daughter | — | Indiana |
| 22 | Hazel Halt | 8 | Daughter | — | Indiana |
| 23 | Jenny D Halt | 6 | Daughter | — | Indiana |
| 24 | James Halt | 3 | Son | — | Indiana |
| 25 | Clifford Halt | 30 | Head | Laborer | Indiana |
| 26 | Frances Halt | 26 | Wife | — | Indiana |
| 27 | Gertrude Halt | 8 | Daughter | — | Indiana |
| 28 | Albert Earl Halt | 1 | Son | — | Indiana |
| 29 | Kenneth C Williams | 44 | Head | Farmer | Indiana |
| 30 | Agnes V. Williams | 40 | Wife | — | Indiana |
| 31 | Kenneth Jr Williams | 15 | Son | — | Indiana |
| 32 | Ruth Williams | 12 | Daughter | — | Indiana |
| 33 | Robert Williams | 10 | Son | — | Indiana |
| 34 | Vivian Williams | 8 | Daughter | — | Indiana |
| 35 | Harry Lynch | 61 | Head | Farmer | Indiana |
| 36 | Louie Lynch | 51 | Wife | — | Indiana |
| 37 | Harry E Lynch | 24 | Son | Farm Laborer | Indiana |
| 38 | Robert Lynch | 21 | Son | Farm Laborer | Indiana |
| 39 | Charles Lynch | 20 | Son | Farm Laborer | Indiana |
Pedigree Summary
Thomas
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)