FJ
Frederick Johnson — 1930 US Census Record
Model Tree available1930 United States Federal Census · Multnomah, Oregon
Our Model Tree links this Frederick Johnson across the 1920, 1930 and 1940 US Censuses in Multnomah, Oregon (XGBoost, ~Confirmed), with identified parents Fred & Fred — first a son (b.~1915), then head of a 5-person household.
Age 15
b. ~1915
Male
Son
Born: Oregon
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Multnomah, Oregon |
| Surname | Johnson |
| Given Name | Frederick R Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Oregon |
| Additional Details | |
| Occupation | Carrier |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Carrier |
| Township / Ward | Portlandcity |
| Est. Birth Year | ~1915 |
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 1930 census.
| Name | Relation to head | Relative to Frederick | Age | Birth yr |
|---|---|---|---|---|
| Nancy Johnson | Daughter | — | 13 | ~1917 |
| Wallace Johnson | Son | — | 5 | ~1925 |
| Frederick Johnson | Son | — | 15 | ~1915 |
| Lula Johnson | Other | — | 43 | ~1887 |
| Fred Johnson | Head | — | 48 | ~1882 |
Census Appearances
1920
Multnomah, Oregon
Son, age 5
Multnomah, Oregon · implied b. ~1915 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Fred R. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Oregon |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Multnomah, Oregon
Son, age 15
Multnomah, Oregon · implied b. ~1915 — 5 household members
| Surname | Johnson |
| Given Name | Frederick R Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Oregon |
| Occupation | Carrier |
| Industry | Newspaper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
Son, age 25
Multnomah-County, Oregon · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Fred Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Portland (city) |
| 1935 Residence (County) | Multnomah |
| Occupation | solicitor |
| Industry | newspaper |
| Class of Worker | PW |
| Hours Worked | 43 |
| Income (1939) | 130 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Fred Johnson (~0.92 confidence) and father Fred Johnson (~0.92 confidence) and mother Lula Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Fred Johnson
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Fred Johnson
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Lula Johnson
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Frederick Johnson
Son · 1930 · age 15 · b. ~1915 · Oregon
★ You are viewing this record
Sibling
Nancy Johnson
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wallace Johnson
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Multnomah, Oregon
Open full size
1930 US Federal Census — Multnomah, Oregon
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1952unit:0941)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Agnes M Burroughs | 68 | Wife-H | — | Oregon |
| 52 | Robert Smith | 66 | Lodger | Shipping | Irish Free State |
| 53 | George E Welter | 74 | Head | — | Wisconsin |
| 54 | Dora Welter | 70 | Wife-H | — | New York |
| 55 | John N Archibald | 50 | Head | Secretary | Oregon |
| 56 | Lula T Archibald | 46 | Wife-H | — | Oregon |
| 57 | Jane F Archibald | 19 | Daughter | — | Oregon |
| 58 | Nancie E Archibald | 17 | Daughter | Stenographer | Oregon |
| 59 | Lloyd W Brooke | 47 | Head | Musician & Blueprinter | Ohio |
| 60 | Leonie N Brooke | 39 | Wife-H | Commercial Writer | New York |
| 61 | Juliette R Brooke | 2 | Daughter | — | Oregon |
| 62 | Augusta F Moorhouse | 64 | Head-H | — | Illinois |
| 63 | Harriet L Moorhouse | 34 | Daughter | Advertising | Oregon |
| 64 | Helen S Moorhouse | 28 | Daughter | Bookkeeper | Oregon |
| 65 | Fred R Johnson | 48 | Head | Salesman | Sweden |
| 66 | Lula E Johnson | 43 | Wife-H | — | Oregon |
| 67 | Nancy M Johnson | 13 | Daughter | — | Oregon |
| 68 | Frederick R Jr Johnson THIS PERSON | 15 | Son | Carrier | Oregon |
| 69 | Wallace D Johnson | 5 | Son | — | Oregon |
| 70 | Esther Haggren | 36 | Head-H | — | Finland |
| 71 | Elsa Haggren | 34 | Sister | Bookkeeper | Finland |
| 72 | Anna L Haggren | 30 | Sister | Bookkeeper | Finland |
| 73 | Charles B Penney | 50 | Head | Commercial Traveler | Ohio |
| 74 | Ethelwin C Penney | 44 | Wife-H | — | Ohio |
| 75 | Harald G Penney | 24 | Son | Timekeeper | Ohio |
| 76 | Elizabeth Penney | 20 | Daughter | Receiving Clerk | Ohio |
| 77 | Lillian Penney | 18 | Daughter | — | Ohio |
| 78 | Robert E Penney | 17 | Son | — | Ohio |
| 79 | Jean S Penney | 14 | Daughter | — | Ohio |
| 80 | John F Enright | 63 | Head | Tailor | England |
| 81 | Olive S Enright | 79 | Wife-H | — | Oregon |
| 82 | George Thain | 60 | Head | Cooker | Scotland |
| 83 | Williamina Thain | 57 | Wife-H | — | Scotland |
| 84 | Jemima Thain | 20 | Daughter | Stenographer | Scotland |
| 85 | William Thain | 19 | Son | Asst. Janitor | Scotland |
| 86 | Arthur D Watson | 52 | Head | Clerk | Canada-English |
| 87 | Sarah Watson | 76 | Mother-H | — | Canada-English |
| 88 | Linzy E Martin | 54 | Head | Supt. Of Docks | Missouri |
| 89 | Maud Martin | 50 | Wife-H | — | Wisconsin |
| 90 | Linzy E Martin | 25 | Son | Musician | Washington |
| 91 | Eva C Martin | 22 | Daughter-in-law | Asst Designer | Oregon |
| 92 | James Gordon | 57 | Head | Driver | Scotland |
| 93 | Jane A Gordon | 48 | Wife-H | — | Scotland |
| 94 | Margaret Gordon | 19 | Daughter | Machine Operator | Oregon |
| 95 | Jane Gordon | 17 | Daughter | — | Oregon |
| 96 | Agnes Gordon | 10 | Daughter | — | Oregon |
| 97 | Cecil T Thompson | 40 | Head | Teacher | Pennsylvania |
| 98 | Lorna G Thompson | 30 | Wife-H | — | Oregon |
| 99 | Melvia Thompson | 9 | Son | — | Oregon |
| 100 | Elaine Thompson | 8 | Daughter | — | Oregon |
Related Census Records
Pedigree Summary
Frederick + 2 siblings
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)