HJ
Harry Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Harry Johnson across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Louis & Louis — first a son (b.~1903), then head of a 9-person household.
Age 37
b. ~1903
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Johnson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Income (1939) | 991 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Mechanic |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1903 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Patricia Stedham | Daughter | — | 4 | ~1936 |
| Laura Johnson | Head | — | 66 | ~1874 |
| Virginia Johnson | Other | — | 13 | ~1927 |
| Fred Johnson | Other | — | 18 | ~1922 |
| Phyllis Johnson | Other | — | 10 | ~1930 |
| Donald Johnson | Other | — | 16 | ~1924 |
| Clifton Johnson | Son | — | 36 | ~1904 |
| Harry Johnson | Son | — | 37 | ~1903 |
| Axel Johnson | Son | — | 33 | ~1907 |
Census Appearances
1920
Marion, Indiana
Son, age 16
Marion, Indiana · implied b. ~1904 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Assembler |
| Industry | Machine Shop |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 26
Marion, Indiana · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Harry |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | mechanic |
| Industry | Garage |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 37
Marion-County, Indiana · implied b. ~1903 — 9 household members
| Surname | Johnson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Income (1939) | 991 |
| Highest Grade | 8 |
| 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 Harry Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Louis Johnson (~0.92 confidence) and father Louis Johnson (~0.92 confidence) and mother Laura Johnson (~0.92 confidence) and mother Laura Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Louis Johnson
b. ~1864
Source father
● Household
· direct · ~0.92
Father
Louis Johnson
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Laura Johnson
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Laura Johnson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Johnson
Son · 1940 · age 37 · b. ~1903 · Indiana
★ You are viewing this record
Sibling
Axel Johnson
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Stedham
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifton Johnson
Sibling · 1940 · age 36
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
20 people indexed on this census page (nara:1940:m-t0627-01129-00803)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edna Baldwin | 31 | Daughter | Stenographer | Indiana |
| 2 | Vern Hamilton | 39 | Head | Electrician | Indiana |
| 3 | Myrtle D. Hamilton | 39 | Wife | — | Indiana |
| 4 | Ralph Hamilton | 11 | Son | — | Indiana |
| 5 | John Faust | 32 | Head | Mechanic | Indiana |
| 6 | Imogene Faust | 32 | Wife | — | Indiana |
| 7 | Nancy Faust | 12 | Daughter | — | Indiana |
| 8 | Joan Faust | 9 | Daughter | — | Indiana |
| 9 | John Faust | 5 | Son | — | Indiana |
| 10 | Laura D. Johnson | 66 | Head | — | Indiana |
| 11 | Harry Johnson THIS PERSON | 37 | Son | Mechanic | Indiana |
| 12 | Axel Johnson | 33 | Son | Cutter | Indiana |
| 13 | Clifton Johnson | 36 | Son | Paper Operator | Indiana |
| 14 | Fred Johnson | 18 | Grandson | — | Indiana |
| 15 | Donald Johnson | 16 | Grandson | — | Indiana |
| 16 | Virginia Johnson | 13 | Granddaughter | — | Indiana |
| 17 | Phyllis Johnson | 10 | Granddaughter | — | Indiana |
| 18 | Patricia Stedham | 4 | Daughter | — | Indiana |
| 19 | William R. Mcclish | 56 | Head | Salesman | Kentucky |
| 20 | Mary Ruth Mcclish | 17 | Daughter | — | Indiana |
Pedigree Summary
Harry + 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)