RJ
Roy Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Elkhart-County, Indiana
Our Model Tree links this Roy Johnson across the 1920, 1930 and 1940 US Censuses in Elkhart-County, Indiana (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 5-person household.
Age 50
b. ~1890
Male
Head
Born: Indiana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Elkhart-County, Indiana |
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Bristol Town |
| 1935 Residence (County) | Elkhart |
| Additional Details | |
| Occupation | Janitor |
| Industry | School |
| Class of Worker | GW |
| Hours Worked | 50 |
| Income (1939) | 960 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Janitor |
| Township / Ward | Bristol Town |
| Est. Birth Year | ~1890 |
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 Roy | Age | Birth yr |
|---|---|---|---|---|
| Maxine Johnson | Daughter | — | 19 | ~1921 |
| Roy Johnson | Head | — | 50 | ~1890 |
| Eldon Johnson | Son | — | 16 | ~1924 |
| Floyd Johnson | Son | — | 12 | ~1928 |
| Add Johnson | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Elkhart, Indiana
Head, age 30
Elkhart, Indiana · implied b. ~1890 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Elkhart, Indiana
Head, age 40
Elkhart, Indiana · implied b. ~1890 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Indiana |
| Age at First Marriage | 23 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Janitor |
| Industry | Pub. School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 7 |
| Radio Set | R |
| Veteran | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Elkhart-County, Indiana
Head, age 50
Elkhart-County, Indiana · implied b. ~1890 — 5 household members
| Surname | Johnson |
| Given Name | Roy |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Indiana |
| 1935 Residence (City) | Bristol Town |
| 1935 Residence (County) | Elkhart |
| Occupation | Janitor |
| Industry | School |
| Class of Worker | GW |
| Hours Worked | 50 |
| Income (1939) | 960 |
| Highest Grade | H 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 Roy Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Roy Johnson
Head · 1940 · age 50 · b. ~1890 · Indiana
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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-t0627-01041-00917)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Daniel Pressler | 48 | Head | Farmer | Michigan |
| 2 | Lillian Pressler | 40 | Wife | — | Indiana |
| 3 | Donald Pressler | 20 | Son | Truck Driver | Indiana |
| 4 | Howard Newcomber | 24 | Head | Farmer | Indiana |
| 5 | Norma Newcomber | 19 | Wife | — | Indiana |
| 6 | Lou B. Congdon | 85 | Head | — | Indiana |
| 7 | Jennie Knulp | 67 | Head | Paper Hanger | Indiana |
| 8 | West Stouder | 64 | Head | Com. Labor | Indiana |
| 9 | Ellen Stouder | 60 | Wife | — | Indiana |
| 10 | Gilbert Stouder | 28 | Son | Radio Work | Indiana |
| 11 | Dora Reames | 67 | Head | — | Indiana |
| 12 | Edgar Cathcart | 49 | Head | Supply Man | Indiana |
| 13 | Prudence Cathcart | 38 | Wife | — | Indiana |
| 14 | Helen Cathcart | 5 | Daughter | — | Indiana |
| 15 | Edward Bock | 28 | Roomer | School Teacher | Indiana |
| 16 | Max Summerfield | 61 | Head | Retired | Germany |
| 17 | Bertha Summerfield | 60 | Wife | — | Germany |
| 18 | Claude Reed | 32 | Head | Engineer | Michigan |
| 19 | Juanita Reed | 30 | Wife | — | Indiana |
| 20 | Robert Blood | 73 | Head | — | Indiana |
| 21 | Katharine Blood | 74 | Wife | — | Indiana |
| 22 | Bessie Blood | 41 | Daughter | — | Indiana |
| 23 | John Hall | 31 | Head | Electrician | Indiana |
| 24 | Mary Hall | 30 | Wife | — | Indiana |
| 25 | Caroline Hall | 13 | Daughter | — | Indiana |
| 26 | Juanita Hall | 11 | Daughter | — | Indiana |
| 27 | Rex Hall | 3 | Son | — | Indiana |
| 28 | Chupp Ernest | 24 | Head | Creamery | Indiana |
| 29 | Elsie Chupp | 19 | Wife | — | Indiana |
| 30 | Sandra Reed | 5 | Daughter | — | Indiana |
| 31 | Roy Johnson THIS PERSON | 50 | Head | Janitor | Indiana |
| 32 | Add Johnson | 44 | Wife | — | Indiana |
| 33 | Maxine Johnson | 19 | Daughter | — | Indiana |
| 34 | Eldon Johnson | 16 | Son | — | Indiana |
| 35 | Floyd Johnson | 12 | Son | — | Indiana |
| 36 | Julian Preager | 25 | Head | — | Indiana |
| 37 | Dorothy Preager | 24 | Wife | Office Girl | Indiana |
| 38 | Sumater Riley | 65 | Head | Retired | South Carolina |
| 39 | James Riley | 39 | Son | — | Indiana |
| 40 | Icy Riley | 32 | Daughter | Jewelry Clerk | Indiana |
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)