LJ
Leo Johnson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Scioto-County, Ohio
Our Model Tree links this Leo Johnson across the 1930 and 1940 US Censuses in Scioto-County, Ohio (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Scioto-County, Ohio |
| Surname | Johnson |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Jefferson Township |
| 1935 Residence (County) | Scioto |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Jefferson Township |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leo | Age | Birth yr |
|---|---|---|---|---|
| John Johnson | Head | — | 44 | ~1896 |
| Mildred Johnson | Daughter | — | 17 | ~1923 |
| Lucille Johnson | Spouse | — | 40 | ~1900 |
| Dorothy Johnson | Other | — | 3 | ~1937 |
| Robert Johnson | Son | — | 14 | ~1926 |
| Delbert Johnson | Son | — | 20 | ~1920 |
| Leo Johnson | Son | — | 12 | ~1928 |
Census Appearances
1930
Scioto, Ohio
Son, age 2
Scioto, Ohio · implied b. ~1928 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Scioto-County, Ohio
Son, age 12
Scioto-County, Ohio · implied b. ~1928 — 7 household members
| Surname | Johnson |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Jefferson Township |
| 1935 Residence (County) | Scioto |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Leo Johnson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Leo Johnson
Son · 1940 · age 12 · b. ~1928 · Ohio
★ You are viewing this record
Sibling
Mildred Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Delbert Johnson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Johnson
Sibling · 1940 · age 14
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 — Scioto-County, Ohio
Open full size
1940 US Federal Census — Scioto-County, Ohio
Page Contents
27 people indexed on this census page (nara:1940:m-t0627-03141-00386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph Cox | 78 | Head | — | Illinois |
| 2 | Nancy Cox | 53 | Wife | — | Kentucky |
| 3 | John E Johnson | 44 | Head | Trucker | Kentucky |
| 4 | Lucille Johnson | 40 | Wife | — | Ohio |
| 5 | Delbert Johnson | 20 | Son | New Worker | Ohio |
| 6 | Mildred Johnson | 17 | Daughter | — | Ohio |
| 7 | Robert Johnson | 14 | Son | — | Ohio |
| 8 | Leo Johnson THIS PERSON | 12 | Son | — | Ohio |
| 9 | Dorothy Johnson | 3 | Adopted daughter | — | Ohio |
| 10 | Richard Bibb | 29 | Head | — | Kentucky |
| 11 | Theda Bibb | 19 | Wife | — | Ohio |
| 12 | Walter Burns | 28 | Head | — | Ohio |
| 13 | Goldie Burns | 23 | Wife | — | Ohio |
| 14 | Carol Burns | 3 | Daughter | — | Ohio |
| 15 | Wanda Burns | 0 | Daughter | — | Ohio |
| 18 | John Rice | 34 | Head | Road Worker | Ohio |
| 19 | Mary Rice | 31 | Wife | Coal Oil Dipper | Ohio |
| 20 | Gerald Rice | 12 | Son | — | Ohio |
| 21 | Marcella Rice | 5 | Daughter | — | Ohio |
| 24 | Georgia Sexton | 17 | Servant | Servant | Ohio |
| 27 | Ronald Bradley | 22 | Nephew | Blacksmith | Kentucky |
| 31 | Daniel Rawlins | 64 | Head | Road Worker | Ohio |
| 32 | Nora Rawlins | 52 | Wife | — | Ohio |
| 33 | Irmant Rawlins | 19 | Daughter | New Worker | Ohio |
| 34 | William Rawlins | 16 | Son | New Worker | Ohio |
| 35 | Nellie J Rawlins | 13 | Daughter | — | Ohio |
| 36 | Agusta Rawlins | 7 | Daughter | — | Ohio |
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)