LJ
Lester Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cass-County, Minnesota
Our Model Tree links this Lester Johnson across the 1920, 1930 and 1940 US Censuses in Cass-County, Minnesota (XGBoost, ~Confirmed), with identified parents Christina & Carl — first a head (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cass-County, Minnesota |
| Surname | Johnson |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Cass Lake Village |
| 1935 Residence (County) | Cass |
| Additional Details | |
| Occupation | Policeman |
| Industry | Village |
| Class of Worker | GW |
| Hours Worked | 70 |
| Income (1939) | 1200 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Policeman |
| Township / Ward | Cass Lake Village |
| Est. Birth Year | ~1910 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Lester | Age | Birth yr |
|---|---|---|---|---|
| Adabelle Johnson | Spouse | — | 27 | ~1913 |
| Lester Johnson | Head | — | 30 | ~1910 |
| Robert Johnson | Son | — | 4 | ~1936 |
Census Appearances
1920
Cass, Minnesota
Son, age 10
Cass, Minnesota · implied b. ~1910 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Pupil |
| Industry | Public School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cass, Minnesota
Son, age 19
Cass, Minnesota · implied b. ~1911 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Lester |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cass-County, Minnesota
Head, age 30
Cass-County, Minnesota · implied b. ~1910 — 3 household members
| Surname | Johnson |
| Given Name | Lester |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Cass Lake Village |
| 1935 Residence (County) | Cass |
| Occupation | Policeman |
| Industry | Village |
| Class of Worker | GW |
| Hours Worked | 70 |
| Income (1939) | 1200 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Lester Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Christina Johnson (~0.92 confidence) and father Carl Johnson (~0.92 confidence) and father Charles Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Christina Johnson
b. ~1870
Source mother
● Household
· direct · ~0.92
Father
Carl Johnson
b. ~1871
Source father
● Household
· direct · ~0.92
Father
Charles Johnson
b. ~1871
Source father
● Household
· direct · ~0.92
This person
Anchor record
Lester Johnson
Head · 1940 · age 30 · b. ~1910 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cass-County, Minnesota
Open full size
1940 US Federal Census — Cass-County, Minnesota
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-01912-00161)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lester Johnson THIS PERSON | 30 | Head | Policeman | Illinois |
| 42 | Adabelle Johnson | 27 | Wife | — | Oklahoma |
| 43 | Robert D. Johnson | 4 | Son | — | — |
| 44 | Lawrence H. Johnson | 33 | Head | Logger | Illinois |
| 45 | Violet M. Johnson | 30 | Wife | — | Minn |
| 46 | John R. Johnson | 13 | Son | — | Minn |
| 47 | Barbara N. Johnson | 1 | Daughter | — | Minn |
| 48 | Peter C. Bell | 51 | Head | Carpenter | Maine |
| 49 | Olive Bell | 46 | Wife | — | Norway |
| 50 | Lionel F. Nelson | 30 | Head | Clerk | Minnesota |
| 51 | Monica M. Nelson | 27 | Wife | — | Minnesota |
| 52 | Walter E. Oja | 30 | Head | Proprietor | Minnesota |
| 53 | Laura I. Oja | 32 | Wife | Proprietor | Minnesota |
| 54 | Philip W. Oja | 2 | Son | — | Minnesota |
| 55 | Carrie M. Giddings | 75 | Head | — | Illinois |
| 58 | James B. Ruckman | 37 | Head | Senior Technician | Iowa |
| 59 | Marion M. Ruckman | 37 | Wife | — | Michigan |
| 60 | Martin Smith | 62 | Head | Truck Driver | Iowa |
| 61 | Eliza J. Smith | 63 | Wife | — | Minnesota |
| 62 | Max Mueller | 49 | Head | Tailor | Minnesota |
| 63 | Carrie Mueller | 47 | Wife | Chambermaid | Minnesota |
| 64 | William Hought | 71 | Head | Proprietor | Canada |
| 65 | Orpha A. Hought | 71 | Wife | — | England |
| 66 | John Tromp | 52 | Head | Janitor | Holland |
| 67 | Gertrude Tromp | 58 | Wife | — | Holland |
| 68 | Robert Tromp | 25 | Son | Carpenter Helper | Iowa |
| 69 | Gladys Tromp | 24 | Daughter | Servant | Dakota |
| 70 | Anna M. Tromp | 19 | Daughter | Clerk | Dakota |
| 72 | Arthur F. Itner | 58 | Head | Clerk | Minnesota |
| 73 | Christing J. Itner | 54 | Wife | — | Minnesota |
| 74 | Alice G. Itner | 32 | Daughter | Operator | Minnesota |
| 75 | Edwin C. Itner | 29 | Son | Proprietor | Minnesota |
| 76 | Woodrow A. Itner | 26 | Son | Stenographer | Minnesota |
| 77 | Maryfern C. Itner | 16 | Daughter | — | Minnesota |
| 78 | Arnold C. Larson | 44 | Head | Proprietor | Minnesota |
| 79 | Blanche R. Larson | 40 | Wife | — | Minnesota |
| 80 | A. Conrad Larson | 14 | Son | Carrier | Minnesota |
Pedigree Summary
Lester
Gen 1 · 3 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)