OJ
Otto Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Otto Johnson across the 1910, 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents Anton & Anton — first a head (b.~1902), then head of a 5-person household.
Age 38
b. ~1902
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Johnson |
| Given Name | Otto |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Radio Technician |
| Industry | City of Seattle |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Radio Technician |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1902 |
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 Otto | Age | Birth yr |
|---|---|---|---|---|
| Louise Johnson | Spouse | — | 33 | ~1907 |
| Gordon Johnson | Son | — | 12 | ~1928 |
| Robert Johnson | Son | — | 14 | ~1926 |
| Duane Johnson | Son | — | 4 | ~1936 |
| Otto Johnson | Head | — | 38 | ~1902 |
Census Appearances
1910
King, Washington
Son, age 8
King, Washington · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Otto M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
King, Washington
Son, age 18
King, Washington · implied b. ~1902 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Otto |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | Truck |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Head, age 28
King, Washington · implied b. ~1902 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Otto M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 23 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Radio |
| Industry | Mechanic |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 3500 |
| Radio Set | R |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Head, age 38
King-County, Washington · implied b. ~1902 — 5 household members
| Surname | Johnson |
| Given Name | Otto |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Radio Technician |
| Industry | City of Seattle |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Otto Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Anton Johnson (~0.92 confidence) and father Anton Johnson (~0.92 confidence) and mother Lena Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Anton Johnson
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Anton Johnson
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Lena Johnson
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Otto Johnson
Head · 1940 · age 38 · b. ~1902 · Washington
★ 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 — King-County, Washington
Open full size
1940 US Federal Census — King-County, Washington
Page Contents
30 people indexed on this census page (nara:1940:m-t0627-04377-00012)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Chas A Wilkinson | 61 | Head | Blacksmith | Virginia |
| 2 | Ann E Wilkinson | 65 | Wife | — | England |
| 3 | Margaret Warren | 61 | Head | — | Scotland |
| 4 | Winnifred Warren | 29 | Daughter | Stenographer | Washington |
| 5 | Peter Lyons | 35 | Head | Sergeant | New Jersey |
| 6 | Inez Lyons | 35 | Wife | — | California |
| 7 | Barbara A Lyons | 15 | Daughter | — | California |
| 8 | Shirley Lyons | 13 | Daughter | — | California |
| 9 | Geo G Jones | 61 | Head | — | Kentucky |
| 10 | Josephine Jones | 32 | Lodger | Baker | Wisconsin |
| 11 | H. E. Preston | 60 | Head | Passenger Agent | Germany |
| 12 | Philippa A Preston | 60 | Wife | — | England |
| 13 | Richard Preston | 25 | Son | — | England |
| 14 | Patricia Preston | 19 | Daughter | — | Germany |
| 15 | W. H. Luprease | 37 | Head | Painter | England |
| 16 | Vivian A Luprease | 28 | Wife | — | Washington |
| 17 | Blanche Luprease | 5 | Daughter | — | Washington |
| 18 | Charles Jones | 73 | Head | — | Iowa |
| 19 | Elisa A Jones | 70 | Wife | — | Switzerland |
| 20 | Albert Brackman | 45 | Head | Fireman | Iowa |
| 21 | Marie A Brackman | 41 | Wife | — | Kansas |
| 22 | Geo. Suttner | 33 | Head | Salesman | Illinois |
| 23 | Grace A Suttner | 30 | Wife | Saleswoman | Washington |
| 24 | Patricia Suttner | 6 | Daughter | — | Washington |
| 25 | Ruth Grassner | 25 | Maid | Maid | Washington |
| 26 | Otto Johnson THIS PERSON | 38 | Head | Radio Technician | Washington |
| 27 | Louise Johnson | 33 | Wife | Packer | Washington |
| 28 | Robert Johnson | 14 | Son | — | Washington |
| 29 | Gordon Johnson | 12 | Son | — | Washington |
| 30 | Duane Johnson | 4 | Son | — | Washington |
Pedigree Summary
Otto
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)