LJ
Leo Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Henry-County, Missouri
Our Model Tree links this Leo Johnson across the 1920, 1930 and 1940 US Censuses in Henry-County, Missouri (XGBoost, ~Confirmed), with identified parents Atto & Otto — first a son (b.~1915), then head of a 5-person household.
Age 25
b. ~1915
Male
Son
Born: Missouri
Divorced
1940 Census Record Details
| Census Year | 1940 |
| Location | Henry-County, Missouri |
| Surname | Johnson |
| Given Name | Leo A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Divorced |
| Birthplace | Missouri |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Henry |
| Additional Details | |
| Occupation | Trucker |
| Industry | n.y.a. |
| Class of Worker | PW |
| Hours Worked | 2 |
| Income (1939) | 240 |
| Highest Grade | No 8 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Trucker |
| Township / Ward | Bethlehem T |
| Est. Birth Year | ~1915 |
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 Leo | Age | Birth yr |
|---|---|---|---|---|
| Rollin Johnson | Son | — | 15 | ~1925 |
| Atto Johnson | Head | — | 52 | ~1888 |
| Beulah Johnson | Daughter | — | 17 | ~1923 |
| Susie Johnson | Spouse | — | 51 | ~1889 |
| Leo Johnson | Son | — | 25 | ~1915 |
Census Appearances
1920
Henry, Missouri
Son, age 4
Henry, Missouri · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leo A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Henry, Missouri
Son, age 14
Henry, Missouri · implied b. ~1916 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leo |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Henry-County, Missouri
Son, age 25
Henry-County, Missouri · implied b. ~1915 — 5 household members
| Surname | Johnson |
| Given Name | Leo A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Divorced |
| Birthplace | Missouri |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Henry |
| Occupation | Trucker |
| Industry | n.y.a. |
| Class of Worker | PW |
| Hours Worked | 2 |
| Income (1939) | 240 |
| Highest Grade | No 8 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Atto Johnson (~0.92 confidence) and father Otto Johnson (~0.92 confidence) and mother Jessie Johnson (~0.92 confidence) and mother Susie Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Atto Johnson
b. ~1888
Source father
● Household
· direct · ~0.92
Father
Otto Johnson
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Jessie Johnson
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Susie Johnson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leo Johnson
Son · 1940 · age 25 · b. ~1915 · Missouri
★ You are viewing this record
Sibling
Beulah Johnson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rollin Johnson
Sibling · 1940 · age 15
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 — Henry-County, Missouri
Open full size
1940 US Federal Census — Henry-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02111-00027)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Wade | 27 | son | Plumber | Missouri |
| 2 | Milton D. Duvall | 43 | Head | Farmer | Missouri |
| 3 | Fanny Mae Duvall | 45 | Wife | — | Missouri |
| 4 | Vivian Lorine Duvall | 17 | daughter | — | Missouri |
| 5 | Mary Lucile Duvall | 11 | daughter | — | Missouri |
| 6 | Leo W. Mcdowell | 47 | Head | Farmer | Missouri |
| 7 | Avis Mcdowell | 45 | Wife | — | Missouri |
| 8 | Mary K. Mcdowell | 17 | daughter | — | Missouri |
| 9 | Steven E. Mcdowell | 13 | son | — | Missouri |
| 10 | Jack Dean Mcdowell | 12 | son | — | Missouri |
| 11 | Atto C. Johnson | 52 | Head | Farmer | Missouri |
| 12 | Susie P. Johnson | 51 | Wife | — | Missouri |
| 13 | Leo A. Johnson THIS PERSON | 25 | son | Trucker | Missouri |
| 14 | Beulah Johnson | 17 | daughter | — | Missouri |
| 15 | Rollin L. Johnson | 15 | son | — | Missouri |
| 16 | Theodore Eckhardt | 69 | Head | Farmer | Missouri |
| 17 | Lena Eckhardt | 25 | daughter | — | Missouri |
| 18 | Willard Eckhardt | 20 | son | Laborer | Missouri |
| 19 | Edwina Eckhardt | 12 | daughter | — | Missouri |
| 20 | Bessie E. Simmons | 66 | Head | — | Missouri |
| 21 | John F. Simmons | 22 | son | Laborer | Missouri |
| 22 | Lawrence Simmons | 34 | Head | Farmer | Missouri |
| 23 | Beulah G. Simmons | 20 | Wife | — | Missouri |
| 24 | Lacy J. Read | 77 | Head | Farmer | Illinois |
| 25 | George W. Read | 54 | son | Farmer | Illinois |
| 26 | Edward L. Duvall | 53 | Head | Farmer | Nebraska |
| 27 | Minnie G. Duvall | 49 | Wife | — | Missouri |
| 28 | Bethany L.W. Duvall | 79 | mother-in-law | — | Virginia |
| 29 | Fanny S. Dean | 44 | Head | Manager | Missouri |
| 30 | Nettie D. Knoles | 66 | sister | — | Missouri |
| 31 | John G. Shoemaker | 70 | Head | Farmer | Indiana |
| 32 | Mary R. Shoemaker | 65 | Wife | — | Missouri |
| 33 | Austin R. Sterner | 65 | Head | Farmer | Penn. |
| 34 | Ricky Sterner | 62 | Wife | — | Missouri |
| 35 | Grace Sterner | 29 | daughter | — | Missouri |
| 36 | George N. Hindros | 74 | Head | Farmer | Ohio |
| 37 | Rufus B. Smith | 49 | Head | Farmer | Missouri |
| 38 | Elizabeth J. Smith | 42 | Wife | — | Missouri |
| 39 | W. A. Wales | 62 | Head | — | West Virginia |
| 40 | Eunice Wales | 71 | Wife | — | Virginia |
Pedigree Summary
Leo + 2 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)