LJ
Leonard Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Minnesota
Our Model Tree links this Leonard Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Washington-County, Minnesota (XGBoost, ~Confirmed), with identified parents Charles & Charlie — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Minnesota |
| Surname | Johnson |
| Given Name | Leonard R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Stillwater City |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Proprietor |
| Industry | Phonograph Tobacco |
| Class of Worker | OA |
| Income (1939) | 2220 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Proprietor |
| Township / Ward | Stillwater City |
| Est. Birth Year | ~1904 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Leonard | Age | Birth yr |
|---|---|---|---|---|
| Gloria Johnson | Daughter | — | 17 | ~1923 |
| Leonard Johnson | Head | — | 36 | ~1904 |
| Mrs Poirier | Other | — | 72 | ~1868 |
| Louise Johnson | Spouse | — | 38 | ~1902 |
Census Appearances
1910
Washington, Minnesota
Son, age 6
Washington, Minnesota · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leonard T. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Washington, Minnesota
Son, age 15
Washington, Minnesota · implied b. ~1905 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leonard R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Washington, Minnesota
Son, age 25
Washington, Minnesota · implied b. ~1905 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Leonard P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Commercial traveler |
| Industry | Auto Tires |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Washington-County, Minnesota
Head, age 36
Washington-County, Minnesota · implied b. ~1904 — 4 household members
| Surname | Johnson |
| Given Name | Leonard R. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | Stillwater City |
| 1935 Residence (County) | Washington |
| Occupation | Proprietor |
| Industry | Phonograph Tobacco |
| Class of Worker | OA |
| Income (1939) | 2220 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Johnson (~0.92 confidence) and father Charlie Johnson (~0.92 confidence) and father Chas Johnson (~0.92 confidence) and mother Hannah Johnson (~0.92 confidence) and mother Hannah Johnson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Johnson
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Charlie Johnson
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Chas Johnson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Hannah Johnson
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Hannah Johnson
b. ~1869
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leonard Johnson
Head · 1940 · age 36 · b. ~1904 · 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 — Washington-County, Minnesota
Open full size
1940 US Federal Census — Washington-County, Minnesota
Page Contents
32 people indexed on this census page (nara:1940:m-t0627-01967-00533)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Leonard R. Johnson THIS PERSON | 36 | Head | Proprietor | Minnesota |
| 42 | Louise E. Johnson | 38 | Wife | Housewife | Minnesota |
| 43 | Gloria Johnson | 17 | Daughter | Student | Minnesota |
| 44 | Mrs. Clarence Poirier | 72 | Mother | Lodger | Wisconsin |
| 45 | Mrs. James D. Bronson | 69 | Head | Housewife | Minnesota |
| 46 | Elma Teflaw | 35 | Maid | Housemaid | Minnesota |
| 47 | Mr. H. H. Beau | 67 | Head | Proprietor | Minnesota |
| 48 | Mary A. Beau | 66 | Wife | Housewife | Same |
| 49 | Mr. Francis Schmitt | 32 | Head | Proprietor | Minnesota |
| 50 | Vernie Schmitt | 28 | Wife | Housewife | Wisconsin |
| 51 | Donovan Schmitt | 3 | Son | Baby | Minnesota |
| 56 | Valentine J. Fichten | 57 | Head | Credit Man | Minnesota |
| 57 | Mary E. Fichten | 54 | Wife | Housewife | Same |
| 58 | Robert J. Fichten | 25 | Son | Shoe Cutter | Same |
| 59 | Mary K. Fichten | 21 | Daughter | Beauty Operator | Same |
| 60 | Fred Schrade | 71 | Head | Retired | Minnesota |
| 61 | Hubert Schrade | 40 | Son | Accountant | Minnesota |
| 62 | Myrtle Schrade | 39 | Wife | Housewife | Minnesota |
| 63 | Virginia Schrade | 7 | Daughter | Student | Minnesota |
| 64 | Mr. O. D. Nutter | 58 | Head | Barber | Wisconsin |
| 65 | Catherine Nutter | 56 | Wife | Housewife | Wisconsin |
| 66 | Mrs. Anna Carmichael | 65 | Roomer | — | Pennsylvania |
| 69 | Mr. George H. Flie | 55 | Head | Rural Mail Carrier | Minnesota |
| 70 | Hilda N. Flie | 54 | Wife | Housewife | Minnesota |
| 71 | Mary Ellen Flie | 11 | Daughter | Student | Minnesota |
| 73 | Mr. Paul Michaelis | 28 | Head | Stock Sorter | So. Dakota |
| 74 | Marcella Michaelis | 30 | Wife | Housewife | Minnesota |
| 75 | Mrs. Emily Michaelis | 62 | Mother | Roomer | Minnesota |
| 76 | Mr. Clarence E. Johnson | 37 | Head | Guard | Minnesota |
| 77 | Eleanor H. Johnson | 33 | Wife | Housewife | Minnesota |
| 78 | Clarence H. Johnson | 16 | Son | Student | Minnesota |
| 79 | Delores Johnson | 14 | Daughter | Student | Minnesota |
Pedigree Summary
Leonard
Gen 1 · 5 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)