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John Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wayne-County, Indiana
Our Model Tree links this John Johnson across the 1920, 1930 and 1940 US Censuses in Wayne-County, Indiana (XGBoost, ~Confirmed), with identified parents Thomas & Isaac — first a head (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Indiana |
| Surname | Johnson |
| Given Name | John N. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Occupation | Foreman |
| Industry | Sheet metal works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1450 |
| Highest Grade | H-4 |
| 1935 Residence | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Foreman |
| Township / Ward | Center 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Johnson | Daughter | — | 2 | ~1938 |
| John Johnson | Head | — | 30 | ~1910 |
| John Johnson | Son | — | 4 | ~1936 |
| Rosemary Johnson | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Wayne, Indiana
Son, age 10
Wayne, Indiana · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Wayne, Indiana
Son, age 20
Wayne, Indiana · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | John M. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Indiana |
| Occupation | Truck Driver |
| Industry | Sheet Metal Company |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | no |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Wayne-County, Indiana
Head, age 30
Wayne-County, Indiana · implied b. ~1910 — 4 household members
| Surname | Johnson |
| Given Name | John N. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Wayne |
| Occupation | Foreman |
| Industry | Sheet metal works |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1450 |
| Highest Grade | H-4 |
| 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 John Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Johnson (~0.92 confidence) and father Isaac Johnson (~0.92 confidence) and mother Elizabeth Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Johnson
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Isaac Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Johnson
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Johnson
Head · 1940 · age 30 · b. ~1910 · 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 — Wayne-County, Indiana
Open full size
1940 US Federal Census — Wayne-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01108-00110)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clara Edith De Armond | 64 | Wife | — | Ohio |
| 2 | Phyllis Ann Corbett | 10 | Granddaughter | — | Indiana |
| 3 | Harold Russell Johnson | 25 | Head | Welder | Indiana |
| 4 | Shirley M. Johnson | 21 | Wife | — | Indiana |
| 5 | William Lee Johnson | 3 | Son | — | Indiana |
| 6 | James Ruffs | 39 | Head | Machinist | Georgia |
| 7 | Josephine M. Ruffs | 35 | Wife | Bookkeeper | Indiana |
| 8 | Vaughn R. Crocker | 62 | Head | Farmer | Indiana |
| 9 | Minnie B. Crocker | 61 | Wife | — | Indiana |
| 10 | John N. Johnson THIS PERSON | 30 | Head | Foreman | Indiana |
| 11 | Rosemary Johnson | 26 | Wife | — | Indiana |
| 12 | John Jr. Johnson | 4 | Son | — | Indiana |
| 13 | Mary Elizabeth Johnson | 2 | Daughter | — | Indiana |
| 14 | Paul V. House | 33 | Head | Plumber | Ohio |
| 15 | Porteria C. House | 32 | Wife | — | Ohio |
| 16 | Hilda Bolyard | 29 | Lodger | Machine Operator | W. Virginia |
| 17 | Thomas W. Johnson | 66 | Head | — | Ohio |
| 18 | Elizabeth J. Johnson | 48 | Wife | — | Indiana |
| 19 | Howard W. Johnson | 29 | Son | Toolmaker | Indiana |
| 20 | Robert D. Crocker | 29 | Head | Florist | Indiana |
| 21 | Marjorie R. Crocker | 25 | Wife | — | Indiana |
| 22 | Richard D. Crocker | 5 | Son | — | Indiana |
| 23 | Rosalie D. Crocker | 2 | Daughter | — | Indiana |
| 24 | Stanley A. Walt | 33 | Head | Knitter | Ohio |
| 25 | Grace J. Walt | 33 | Wife | — | Indiana |
| 26 | Herbert D. Walt | 11 | Son | — | Indiana |
| 27 | Evelyn M. Walt | 8 | Daughter | — | Indiana |
| 28 | Darlen D. Walt | 7 | Son | — | Indiana |
| 29 | Myron L. Walt | 1 | Son | — | Indiana |
| 30 | Marion L. Walt | 1 | Son | — | Indiana |
| 31 | Edward E. Walt | 73 | Father | — | Ohio |
| 32 | Minnie Richardson | 30 | Sister-in-law | Machine Operator | Indiana |
| 33 | Alva J. Richardson | 8 | Nephew | — | Indiana |
| 34 | Norman E. Caskey | 25 | Head | Photographer | Indiana |
| 35 | Harry L. Gitty | 66 | Head | Farmer | Indiana |
| 36 | Everett C. Caskey | 33 | Head | Farmer | Indiana |
| 37 | Leila D. Caskey | 32 | Wife | — | Georgia |
| 38 | Shirley Jean Caskey | 11 | Daughter | — | Indiana |
| 39 | Beverly J. Caskey | 6 | Daughter | — | Indiana |
| 40 | Keith Edward Caskey | 1 | Son | — | Indiana |
Pedigree Summary
John
Gen 1 · 3 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)