OJ
Oscar Johnson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clatsop-County, Oregon
Our Model Tree links this Oscar Johnson across the 1920, 1930 and 1940 US Censuses in Clatsop-County, Oregon (XGBoost, ~Confirmed), with identified parents Mike & Elise — first a son (b.~1900), then head of a 5-person household.
Age 40
b. ~1900
Male
Son
Born: Norway
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clatsop-County, Oregon |
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Norway |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | Columbia |
| Naturalization Status | Alien |
| Additional Details | |
| Occupation | Carpenter |
| Industry | building constr. |
| Class of Worker | PW |
| Income (1939) | 1100 |
| Highest Grade | No 6 |
| 1935 Residence | Oregon |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
| Occupation | Carpenter |
| Township / Ward | Westport |
| 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Oscar | Age | Birth yr |
|---|---|---|---|---|
| Mike Johnson | Head | — | 73 | ~1867 |
| Harold Johnson | Son | — | 33 | ~1907 |
| Oscar Johnson | Son | — | 40 | ~1900 |
| Henry Johnson | Son | — | 38 | ~1902 |
| Elsie Johnson | Spouse | — | 65 | ~1875 |
Census Appearances
1920
Clatsop, Oregon
Son, age 20
Clatsop, Oregon · implied b. ~1900 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Norway |
| Year of Immigration | 1897 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Laborer |
| Industry | Lumber camp |
| Class of Worker | W |
| Can Read | No |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1930
Clatsop, Oregon
Son, age 30
Clatsop, Oregon · implied b. ~1900 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Norway |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 24 |
| Father's Birthplace | Norway |
| Mother's Birthplace | Norway |
| Occupation | Logger |
| Industry | Logging |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | Norwegian |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
1940
Clatsop-County, Oregon
Son, age 40
Clatsop-County, Oregon · implied b. ~1900 — 5 household members
| Surname | Johnson |
| Given Name | Oscar |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Single |
| Birthplace | Norway |
| 1935 Residence (City) | Rural |
| 1935 Residence (County) | Columbia |
| Naturalization Status | Alien |
| Occupation | Carpenter |
| Industry | building constr. |
| Class of Worker | PW |
| Income (1939) | 1100 |
| Highest Grade | No 6 |
| 1935 Residence | Oregon |
| Birth Country | Norway |
| Birthplace (normalized) | norway |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Mike Johnson (~0.92 confidence) and mother Elise Johnson (~0.92 confidence) and mother Elsie Johnson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Mike Johnson
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Elise Johnson
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Elsie Johnson
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Oscar Johnson
Son · 1940 · age 40 · b. ~1900 · Oregon
★ You are viewing this record
Sibling
Harold Johnson
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Henry Johnson
Sibling · 1940 · age 38
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
1940 US Federal Census — Clatsop-County, Oregon
Open full size
1940 US Federal Census — Clatsop-County, Oregon
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03356-00767)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Diebert Freeman | 3 | son | — | Oregon |
| 2 | George O Wells | 59 | head | Janitor | Pennsylvania |
| 3 | Etta F Wells | 55 | wife | — | Minnesota |
| 4 | Wallace C Wells | 23 | son | Truck Driver | Oregon |
| 5 | Nelda Wells | 21 | son | Lathe Worker | Oregon |
| 6 | Helen Wells | 19 | daughter | House Work | Oregon |
| 7 | Arlene Wells | 17 | daughter | — | Oregon |
| 8 | Sandra Wells | 0 | granddaughter | — | Oregon |
| 9 | Florence Tagg | 36 | renter | Teacher | Illinois |
| 10 | Viola Chickering | 33 | renter | Teacher | Oregon |
| 11 | Ruth Thomas | 25 | renter | Teacher | Oregon |
| 12 | Grace Burleigh | 26 | renter | Teacher | Oregon |
| 13 | Kenneth Mcmath | 52 | head | Dairy Farmer | Oregon |
| 14 | Marie Mcmath | 52 | wife | Dairy Farmer | Oregon |
| 16 | Mike Johnson | 73 | head | 0 | Norway |
| 17 | Elsie Johnson | 65 | wife | 0 | Norway |
| 18 | Oscar Johnson THIS PERSON | 40 | son | Carpenter | Norway |
| 19 | Henry Johnson | 38 | son | Log Rafting | Wisconsin |
| 20 | Harold Johnson | 33 | son | Logging Camp | Oregon |
| 21 | Carl A Tangen | 78 | head | 0 | Norway |
| 22 | Mina Tangen | 74 | wife | 0 | Finland |
| 24 | Mike Jogtik | 41 | head | Lumber Mill | Austria |
| 25 | Vera Jogtik | 38 | wife | — | Michigan |
| 26 | Claude Wagner | 19 | stepson | Spreading Gravel | Oregon |
| 27 | George Jogtik | 4 | son | — | Oregon |
| 28 | Wallace Smith | 46 | head | Fireman | Texas |
| 29 | Arvo M Leinonen | 27 | head | Lathe Machine | Oregon |
| 30 | Sylvia Leinonen | 25 | wife | — | Washington |
| 31 | Dale Leinonen | 1 | son | — | Oregon |
| 32 | Donald Leinonen | 0 | son | — | Oregon |
| 33 | Ivan W Bailey | 35 | head | Head Offbearer | Oregon |
| 34 | Enid Bailey | 34 | wife | 0 | Canada |
| 35 | Anita Bailey | 12 | daughter | — | Washington |
| 36 | Albert Bailey | 8 | son | — | Oregon |
| 37 | Mary Bailey | 6 | daughter | — | Oregon |
| 38 | Virginia Bailey | 2 | daughter | — | Oregon |
| 39 | Robert Gegere | 23 | head | 2Nd Offbearer | Illinois |
| 40 | Hazel Gegere | 19 | wife | — | Colorado |
Pedigree Summary
Oscar + 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 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)