FJ
Frederick Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · King, Washington
Our Model Tree links this Frederick Johnson across the 1920, 1930 and 1940 US Censuses in King, Washington (XGBoost, ~Confirmed), with identified parents Charles & Chas — first a son (b.~1913), then head of a 3-person household.
Age 17
b. ~1913
Male
Son
Born: Washington
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | King, Washington |
| Surname | Johnson |
| Given Name | Frederick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Michigan |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Seattle City Pt Of |
| Est. Birth Year | ~1913 |
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 Frederick | Age | Birth yr |
|---|---|---|---|---|
| Frederick Johnson | Son | — | 17 | ~1913 |
| Charles Johnson | Head | — | 56 | ~1874 |
| Edith Johnson | Spouse | — | 41 | ~1889 |
Census Appearances
1920
King, Washington
Son, age 7
King, Washington · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Frederick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Michigan |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
King, Washington
Son, age 17
King, Washington · implied b. ~1913 — 3 household members
| Surname | Johnson |
| Given Name | Frederick |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
King-County, Washington
Head, age 27
King-County, Washington · implied b. ~1913 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Fred |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | Seattle City |
| 1935 Residence (County) | King |
| Occupation | Job Printer |
| Industry | Job Printing |
| Class of Worker | PW |
| Hours Worked | 50 |
| Income (1939) | 1039 |
| Highest Grade | H-4 |
| 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 Frederick Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Johnson (~0.92 confidence) and father Chas Johnson (~0.92 confidence) and mother Edith Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Father
Chas Johnson
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Edith Johnson
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frederick Johnson
Son · 1930 · age 17 · b. ~1913 · 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
25 people indexed on this census page (ia:1930:15thcensus2492unit:0706)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Glenn R Mccormick | 29 | Head | Credit Man | Nebraska |
| 52 | Madeline Mccormick | 29 | Wife | None | Nebraska |
| 53 | Glenn Jr Mccormick | 7 | Son | None | California |
| 54 | James E Carter | 25 | Head | Boiler Maker | Iowa |
| 55 | Mable Carter | 21 | Wife | None | Washington |
| 56 | Sally Bugh | 19 | Sister-in-law | Stenographer | Washington |
| 57 | Carl E Lundquist | 41 | — | Salesman | Minnesota |
| 58 | Edith Lundquist | 38 | Wife | None | Minnesota |
| 59 | Kenneth Lundquist | 10 | Son | None | Washington |
| 60 | Arthur Lundquist | 8 | Son | None | Washington |
| 61 | Edith M Lundquist | 6 | Daughter | None | Minnesota |
| 62 | Wally Petterson | 37 | — | Police Officer | Sweden |
| 63 | Eva A Petterson | 37 | Wife | None | Colorado |
| 64 | Loretta Petterson | 8 | Daughter | None | Washington |
| 65 | George Doty | 34 | Head | Fireman | Illinois |
| 66 | Florence Doty | 32 | Wife | Sorter | Canada Eng. |
| 67 | Marie Doty | 12 | Daughter | None | Washington |
| 68 | William Doty | 9 | Son | None | Washington |
| 69 | George Doty | 8 | Son | None | Washington |
| 70 | Eric G Oscarson | 32 | — | Dairyman | Sweden |
| 71 | Tillie Oscarson | 31 | Wife | None | Sweden |
| 72 | Marion M Oscarson | 4 | Daughter | None | Washington |
| 73 | Charles H Johnson | 56 | Head | Professor | Indiana |
| 74 | Edith Johnson | 41 | Wife | None | Oregon |
| 75 | Frederick Johnson THIS PERSON | 17 | Son | None | Washington |
Pedigree Summary
Frederick
Gen 1 · 3 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)