KJ
Kenneth Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · King-County, Washington
Our Model Tree links this Kenneth Johnson across the 1910, 1920, 1930 and 1940 US Censuses in King-County, Washington (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | King-County, Washington |
| Surname | Johnson |
| Given Name | Kenneth |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Sunnydale E.P. |
| 1935 Residence (County) | King |
| Additional Details | |
| Occupation | Auto Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 332 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Auto Mechanic |
| Township / Ward | Sunnydale Ep |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Kenneth | Age | Birth yr |
|---|---|---|---|---|
| Kenneth Johnson | Head | — | 33 | ~1907 |
| Miriam Griffiths | Other | — | 6 | ~1934 |
| David Griffiths | Son | — | 5 | ~1935 |
| Gertrude Johnson | Spouse | — | 30 | ~1910 |
Census Appearances
1910
King, Washington
Son, age 3
King, Washington · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Kenneth H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Occupation | none |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
King, Washington
Son, age 13
King, Washington · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Kenneth S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| 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
Son, age 23
King, Washington · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Kenneth H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Occupation | Mechanic |
| Industry | Automobile |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Head, age 33
King-County, Washington · implied b. ~1907 — 4 household members
| Surname | Johnson |
| Given Name | Kenneth |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Sunnydale E.P. |
| 1935 Residence (County) | King |
| Occupation | Auto Mechanic |
| Industry | Garage |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 332 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Kenneth Johnson across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and father John Johnson (~0.92 confidence) and mother Anna Johnson (~0.92 confidence) and mother Lena Johnson (~0.92 confidence) and mother Sina Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Johnson
b. ~1881
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1881
Source father
● Household
· direct · ~0.92
Father
John Johnson
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Anna Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Lena Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Sina Johnson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Kenneth Johnson
Head · 1940 · age 33 · b. ~1907 · 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
40 people indexed on this census page (nara:1940:m-t0627-04346-00596)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frances Martin | 12 | Daughter | — | Washington |
| 2 | Fred Martin | 10 | Son | — | Washington |
| 3 | Frank Peleel | Pelecl | 37 | Lodger | Carman Helper | Wisconsin |
| 4 | Ja. Long | 51 | Head | Bookkeeper | Minnesota |
| 5 | C. B. Long | 54 | Husband | Bookkeeper | Illinois |
| 6 | Ada Nye | 58 | Lodger | — | Wisconsin |
| 7 | Thust Jacobsen | 39 | Head | Machinist | Sweden |
| 8 | Gerrie Jacobsen | 32 | Wife | — | Iowa |
| 9 | Ida Horton | 85 | Head | — | Pennsylvania |
| 10 | Roy Wanger | 32 | Head | Barber | Washington |
| 11 | Ann Wanger | 28 | Wife | — | No. Dakota |
| 12 | Joann Wanger | 1 | Daughter | — | Washington |
| 13 | Kenneth Johnson THIS PERSON | 33 | Head | Auto Mechanic | Washington |
| 14 | Gertrude Johnson | 30 | Wife | — | Washington |
| 15 | Miriam Griffiths | 6 | Step Daughter | — | Washington |
| 16 | David Griffiths | 5 | Son | — | Washington |
| 17 | Harold Hover | 48 | Head | Ship Clerk | Washington |
| 18 | Ethel Hover | 43 | Wife | — | Nebraska |
| 19 | Harold Jr. Hover | 13 | Son | — | Washington |
| 20 | Aldythe Hover | 10 | Daughter | — | Washington |
| 21 | Wallace Shields | 53 | Head | Manager | Washington |
| 22 | Leota Shields | 53 | Wife | — | Kansas |
| 23 | Truman Ranck | 56 | Head | Manager | Minnesota |
| 24 | Eva G. Ranck | 60 | Wife | — | Michigan |
| 25 | Frank Urquhart | 54 | Head | Manager | New Jersey |
| 26 | Daisy Urquhart | 45 | Wife | — | Minnesota |
| 27 | Frances Joy Urquhart | 14 | Daughter | — | Washington |
| 28 | John Wanner | 82 | Head | — | New York |
| 29 | Edith Wanner | 65 | Wife | — | Iowa |
| 30 | Arthur Stolle | 35 | Head | Auto Mechanic | Oregon |
| 31 | Verta Stolle | 33 | Wife | — | Oregon |
| 32 | Jacqueline Stolle | 8 | Daughter | — | Washington |
| 33 | Donald Stolle | 4 | Son | — | Washington |
| 34 | Delbert Burnette | 28 | Nephew | Bridge Builder Helper | Oregon |
| 35 | Harry L. Austin | 49 | Head | Boiler Maker | New York |
| 36 | Blare Austin | 51 | Wife | — | Minnesota |
| 37 | Marjory Austin | 22 | Daughter | Bookkeeper | Washington |
| 38 | Harry Jr. Austin | 17 | Son | — | Washington |
| 39 | E. W. Renr | 71 | Head | Dentist | Missouri |
| 40 | Harriett Renr | 69 | Wife | — | Iowa |
Pedigree Summary
Kenneth
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)