LJ
Leonard Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Lewis-County, Idaho
Our Model Tree links this Leonard Johnson across the 1920, 1930 and 1940 US Censuses in Lewis-County, Idaho (XGBoost, ~Confirmed), with identified parents Josephine & Albert — first a son (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Male
Son
Born: Idaho
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lewis-County, Idaho |
| Surname | Johnson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Russell Precinct |
| 1935 Residence (County) | Lewis |
| Additional Details | |
| Occupation | helper |
| Industry | on farm |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 53 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
| Occupation | Helper |
| Township / Ward | Russell Precinct |
| Est. Birth Year | ~1917 |
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 Leonard | Age | Birth yr |
|---|---|---|---|---|
| Clara Johnson | Daughter | — | 28 | ~1912 |
| Albert Johnson | Head | — | 52 | ~1888 |
| Ole Johnson | Other | — | 61 | ~1879 |
| Leonard Johnson | Son | — | 23 | ~1917 |
| Josephine Johnson | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Lewis, Idaho
Son, age 3
Lewis, Idaho · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1930
Lewis, Idaho
Son, age 13
Lewis, Idaho · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Idaho |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
1940
Lewis-County, Idaho
Son, age 23
Lewis-County, Idaho · implied b. ~1917 — 5 household members
| Surname | Johnson |
| Given Name | Leonard |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Idaho |
| 1935 Residence (City) | Russell Precinct |
| 1935 Residence (County) | Lewis |
| Occupation | helper |
| Industry | on farm |
| Class of Worker | PW |
| Hours Worked | 20 |
| Income (1939) | 53 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Idaho |
| Birth Country | United States |
| Birthplace (normalized) | idaho |
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 Leonard Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Josephine Johnson (~0.92 confidence) and father Albert Johnson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Josephine Johnson
b. ~1887
Source mother
● Household
· direct · ~0.92
Father
Albert Johnson
b. ~1888
Source father
● Household
· direct · ~0.92
This person
Anchor record
Leonard Johnson
Son · 1940 · age 23 · b. ~1917 · Idaho
★ You are viewing this record
Sibling
Clara Johnson
Sibling · 1940 · age 28
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 — Lewis-County, Idaho
Open full size
1940 US Federal Census — Lewis-County, Idaho
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00750-00385)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Georgia Mae Bowles | 60 | Head | Farming | Missouri |
| 2 | James Bowles | 21 | Son | Farming | Idaho |
| 3 | Roy Bassett | 44 | Head | Laborer | Virginia |
| 4 | Dora Bassett | 34 | Wife | Housewife | Washington |
| 5 | Janet Bassett | 2 | Daughter | — | Idaho |
| 6 | Linda Bassett | 0 | Daughter | — | Idaho |
| 7 | Charles Johnston | 32 | Head | Farming | Idaho |
| 8 | Victoria Johnston | 32 | Wife | Housewife | Virginia |
| 9 | George Johnston | 9 | Son | — | Idaho |
| 10 | Billy Johnston | 4 | Son | — | Idaho |
| 11 | Betty Johnston | 3 | Daughter | — | Idaho |
| 12 | Tommy Johnston | 2 | Son | — | Idaho |
| 13 | C. S. Newkirk | 79 | Head | Retired | Missouri |
| 14 | Dora Newkirk | 72 | Wife | Housewife | Idaho |
| 15 | Ray B. Newkirk | 52 | Son | Farming | Washington |
| 16 | Albert Johnson | 52 | Head | Farming | Norway |
| 17 | Josephine Johnson | 52 | Wife | Housewife | Norway |
| 18 | Clara Johnson | 28 | Daughter | Housekeeper | Idaho |
| 19 | Leonard Johnson THIS PERSON | 23 | Son | Helper | Idaho |
| 20 | Ole Johnson | 61 | Brother | Farming | Norway |
| 21 | P. S. Fanby | 58 | Head | Farming | Wisconsin |
| 22 | Dora Fanby | 56 | Wife | Housewife | Nebraska |
| 23 | Sylvester Fanby | 29 | Son | Farming | Idaho |
| 24 | Ernest Fanby | 27 | Son | Farming | Idaho |
| 25 | Raymond Fanby | 21 | Son | Clerk | Idaho |
| 26 | Adeline Fanby | 17 | Daughter | — | Idaho |
| 27 | Frank Bogner | 57 | Head | Farming | Nebraska |
| 28 | Lillia Bogner | 48 | Wife | Housewife | Washington |
| 29 | Clita Bogner | 9 | Daughter | — | Idaho |
| 30 | Frank Jr. Bogner | 7 | Son | — | Idaho |
| 31 | Alvin Bogner | 15 | Head | Farming | Nebraska |
| 32 | Gilbert Running | 65 | Head | Laborer | Iowa |
| 33 | Joe Guy | 32 | Head | Farming | Idaho |
| 34 | Alphonsie Guy | 30 | Wife | Housewife | Idaho |
| 35 | Barbara Guy | 4 | Daughter | — | Idaho |
| 36 | Eddie Guy | 3 | Son | — | Idaho |
| 37 | Marilyn Guy | 1 | Daughter | — | Idaho |
| 38 | Robert Guy | 0 | Son | — | Idaho |
| 39 | John J. Shockey | 26 | Head | Laborer | Minnesota |
| 40 | Werner Lauer | 31 | Hired hand | Laborer | Idaho |
Related Census Records
Pedigree Summary
Leonard + 1 sibling
Gen 1 · 2 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)