OJ
Oscar Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · King, Washington
Our Model Tree links this Oscar Johnson across the 1900, 1910, 1920 and 1930 US Censuses in King, Washington (XGBoost, ~Confirmed), with identified parents Albert & Nels — first a head (b.~1900), then head of a 3-person household.
Age 30
b. ~1900
Male
Head
Born: Washington
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | King, Washington |
| Surname | Johnson |
| Given Name | Oscar S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 24 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Additional Details | |
| Occupation | Lumber Grader |
| Industry | Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Radio Set | R |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Lumber Grader |
| Township / Ward | Seattle City |
| Est. Birth Year | ~1900 |
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 1930 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Oscar Johnson | Head | — | 30 | ~1900 |
| Robert Johnson | Son | — | 5 | ~1925 |
| Alfreda Johnson | Spouse | — | 30 | ~1900 |
Census Appearances
1900
King, Washington
Son, age 1
King, Washington · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Washington |
| Birth Month | Mar |
| Birth Year | 1899 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Norway |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1910
King, Washington
Son, age 10
King, Washington · implied b. ~1900 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Kitsap, Washington
Son, age 20
Kitsap, Washington · implied b. ~1900 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Patternmaker |
| Industry | Navy Yard |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Head, age 30
King, Washington · implied b. ~1900 — 3 household members
| Surname | Johnson |
| Given Name | Oscar S. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 24 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Lumber Grader |
| Industry | Mill |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Radio Set | R |
| 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 Oscar Johnson across 4 US Census years (1900, 1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father Albert Johnson (~0.92 confidence) and father Nels Johnson (~0.92 confidence) and father Andrew Johnson (~0.92 confidence) and mother Ida Johnson (~0.92 confidence) and mother Carrie Johnson (~0.92 confidence) and mother Martha Johnson (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albert Johnson
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Nels Johnson
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Andrew Johnson
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Ida Johnson
b. ~1868
Source mother
● Household
· direct · ~0.92
Mother
Carrie Johnson
b. ~1864
Source mother
● Household
· direct · ~0.92
Mother
Martha Johnson
b. ~1871
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Johnson
Head · 1930 · age 30 · b. ~1900 · Washington
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — King, Washington
Open full size
1930 US Federal Census — King, Washington
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2492unit:0186)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Averia M. Fry | 69 | Head | Nurseryman | Pennsylvania |
| 2 | Minnie E. H. Fry | 54 | Wife | — | England |
| 3 | Lewis J. Dewater | 26 | Head | Auto Mechanic | Colorado |
| 4 | Rowena Z. Dewater | 27 | Wife | — | Kansas |
| 5 | Bruce J. Dewater | 1 | Son | — | Washington |
| 6 | Rowena E. Dewater | 0 | Daughter | — | Washington |
| 7 | Percy H. Mash | 40 | Head | Barber | Oregon |
| 8 | Hilda C. Mash | 32 | Wife | — | Washington |
| 9 | Ione J. Mash | 15 | Daughter | — | Washington |
| 10 | Harry C. Mash | 13 | Son | — | Washington |
| 11 | Mildred L. Mash | 11 | Daughter | — | Washington |
| 12 | William Patatson | 31 | Head | Cabinetmaker | Minnesota |
| 13 | Hannah Patatson | 30 | Wife | — | Washington |
| 14 | June Patatson | 4 | Daughter | — | Washington |
| 15 | Edwin R. Hopkins | 39 | Head | Excavator | Washington |
| 16 | Margaret Hopkins | 72 | Mother | — | Northern Ireland |
| 17 | Frank A. Hopkins | 31 | Brother | Civil Engineer | Washington |
| 18 | Minnie Gunnarson | 56 | Head | — | Sweden |
| 19 | Hazel E. Gunnarson | 24 | Daughter | Stenographer | Minnesota |
| 20 | Ruth V. Gunnarson | 23 | Daughter | Clerk | Minnesota |
| 21 | Carl S. Gunnarson | 20 | Son | Clerk | Washington |
| 22 | Margarita D. Gunnarson | 19 | Daughter | Switch Board | Washington |
| 23 | Oscar S. Johnson THIS PERSON | 30 | Head | Lumber Grader | Washington |
| 24 | Alfreda E. Johnson | 30 | Wife | — | Washington |
| 25 | Robert W. Johnson | 5 | Son | — | Washington |
| 26 | Jack Yarkamp | 47 | Head | Painter | Holland |
| 27 | Mary Yarkamp | 48 | Wife | — | Holland |
| 28 | Annie Yarkamp | 16 | Daughter | — | Canada |
| 29 | William Yarkamp | 14 | Son | — | Canada |
| 30 | Sophia Yarkamp | 11 | Daughter | — | Washington |
| 31 | Edward Berset | 56 | Head | Carpenter | Norway |
| 32 | Anna S. Berset | 54 | Wife | — | Minnesota |
| 33 | Viola L. Berset | 23 | Daughter | — | Washington |
| 34 | Thomas G. Rear | 49 | Head | Auto Mechanic | Canada |
| 35 | Mabel M. Rear | 43 | Wife | — | Wisconsin |
| 36 | Robert H. Belly | 27 | Head | Edgerman | Washington |
| 37 | Aileen Belly | 25 | Wife | — | Washington |
| 38 | Robert W. Belly | 4 | Son | — | Idaho |
| 39 | Louise D. Belly | 2 | Daughter | — | Washington |
| 40 | Paul B. Kellogg | 34 | Head | Draftsman | Oregon |
| 41 | Naomi R. Kellogg | 35 | Wife | — | Washington |
| 42 | Berreth Bruce Kellogg | 13 | Son | — | Oregon |
| 43 | Estella Mcreynolds | 61 | Mother-in-law | Dressmaker | Iowa |
| 44 | John Fraser | 42 | Head | Cabinet Maker | Scotland |
| 45 | Isabel Fraser | 40 | Wife | — | Scotland |
| 46 | Helen Fraser | 18 | Son | — | Washington |
| 47 | Margaret M. Fraser | 16 | Daughter | — | Minnesota |
| 48 | William Cannon | 47 | Head | Laundryman | Syria |
| 49 | Dora H. Cannon | 38 | Wife | — | Syria |
| 50 | George A. Cannon | 22 | Son | Watchmaker | Washington |
Pedigree Summary
Oscar
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 1930 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)