LJ
Leonard Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Leonard Johnson across the 1910, 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents Otto & Otto — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Johnson |
| Given Name | Leonard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | Janitor |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 930 |
| Highest Grade | 6 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Janitor |
| Township / Ward | Richfield Village |
| Est. Birth Year | ~1907 |
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 Leonard | Age | Birth yr |
|---|---|---|---|---|
| Leonard Johnson | Head | — | 33 | ~1907 |
| Roland Johnson | Son | — | 4 | ~1936 |
| Irene Johnson | Spouse | — | 29 | ~1911 |
Census Appearances
1910
Hennepin, Minnesota
Son, age 3
Hennepin, Minnesota · implied b. ~1907 — 8 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 | Minnesota |
| Father's Birthplace | Sweden-Swedish |
| Mother's Birthplace | Norway-Norwegian |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Hennepin, Minnesota
Son, age 12
Hennepin, Minnesota · implied b. ~1908 — 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 | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Son, age 23
Hennepin, Minnesota · implied b. ~1907 — 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 | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | City |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Head, age 33
Hennepin-County, Minnesota · implied b. ~1907 — 3 household members
| Surname | Johnson |
| Given Name | Leonard |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Hennepin |
| Occupation | Janitor |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 930 |
| Highest Grade | 6 |
| 1935 Residence | Minnesota |
| 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 Otto Johnson (~0.92 confidence) and father Otto Johnson (~0.92 confidence) and father Ola Johnson (~0.92 confidence) and mother Marie Johnson (~0.92 confidence) and mother Mary Johnson (~0.92 confidence) and mother Marie Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Otto Johnson
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Otto Johnson
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Ola Johnson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Marie Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Mary Johnson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Marie Johnson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Leonard Johnson
Head · 1940 · age 33 · b. ~1907 · 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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01926-00048)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruby Haas | 35 | Daughter | Real Estate | Minnesota |
| 42 | William Englund | 30 | Son | Salesman | Minnesota |
| 43 | William Lender | 37 | Head | Carpenter | Minnesota |
| 44 | Violet Lender | 35 | Wife | Radiometrist'S Assistant | Minnesota |
| 45 | Ruth Lender | 11 | Daughter | — | Minnesota |
| 46 | William Lender | 4 | Son | — | Minnesota |
| 47 | Leonard Johnson THIS PERSON | 33 | Head | Janitor | Minnesota |
| 48 | Irene Johnson | 29 | Wife | — | Minnesota |
| 49 | Roland Gale Johnson | 4 | Son | — | Minnesota |
| 50 | Harvey King | 42 | Head | Recreation Leader | Wisconsin |
| 51 | Louise King | 38 | Wife | — | Illinois |
| 52 | Betty King | 18 | Daughter | Clerk | Wisconsin |
| 53 | Harvey Jr. King | 14 | Son | — | Minnesota |
| 54 | Joyce King | 10 | Daughter | — | Minnesota |
| 55 | Robert Sandhoff | 21 | Head | Well Driller | Minnesota |
| 56 | Eleanor Sandhoff | 19 | Wife | — | Minnesota |
| 57 | Sharon Sandhoff | 0 | Daughter | — | Minnesota |
| 58 | Russel Sjorgen | 31 | Head | Laborer | Minnesota |
| 59 | Iona Sjorgen | 26 | Wife | — | California |
| 60 | Charles Sjorgen | 7 | Son | — | California |
| 61 | Marlene Sjorgen | 3 | Daughter | — | Minnesota |
| 62 | Joanne Sjorgen | 0 | Daughter | — | Minnesota |
| 63 | Eugene Houck | 31 | Head | Millwright | Minnesota |
| 64 | Ethel Houck | 27 | Wife | — | Minnesota |
| 65 | Eugene Houck | 9 | Son | — | Minnesota |
| 66 | Marion Houck | 6 | Daughter | — | Minnesota |
| 67 | Sharon Houck | 2 | Daughter | — | Minnesota |
| 68 | Rolland Houck | 33 | Head | Millwright | Minnesota |
| 69 | Florence Houck | 30 | Wife | — | Minnesota |
| 70 | Mary Anne Houck | 8 | Daughter | — | Illinois |
| 71 | Daniel Houck | 6 | Son | — | Minnesota |
| 72 | Margaret Houck | 2 | Daughter | — | Minnesota |
| 73 | Leslie Walcott | 34 | Head | Lather | Iowa |
| 74 | Elina Walcott | 32 | Wife | — | Iowa |
| 75 | Marilyn Walcott | 5 | Daughter | — | Minnesota |
| 76 | William D. Beasey | 55 | Head | Crane And Shovel Operator | Minnesota |
| 77 | Jennie Beasey | 49 | Wife | — | Minnesota |
| 78 | Jean Beasey | 18 | Daughter | — | Minnesota |
| 79 | Lois Beasey | 16 | Daughter | — | Minnesota |
| 80 | William Beasey | 12 | Son | — | Minnesota |
Pedigree Summary
Leonard
Gen 1 · 6 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)