JP
John Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wasco-County, Oregon
Our Model Tree links this John Peterson across the 1920, 1930 and 1940 US Censuses in Wasco-County, Oregon (XGBoost, ~Confirmed), with identified parents Louis & Mary — first a head (b.~1900), then head of a 4-person household.
Age 40
b. ~1900
Male
Head
Born: Oregon
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Wasco-County, Oregon |
| Surname | Peterson |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Columbia |
| 1935 Residence (County) | Wasco |
| Additional Details | |
| Occupation | Wheat + cattle |
| Industry | farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Wheat + Cattle |
| Township / Ward | Columbia |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Phyllis Peterson | Daughter | — | 13 | ~1927 |
| John Peterson | Head | — | 40 | ~1900 |
| Harry Smallwood | Other | — | 40 | ~1900 |
| Anita Peterson | Spouse | — | 38 | ~1902 |
Census Appearances
1920
Wasco, Oregon
Son, age 20
Wasco, Oregon · implied b. ~1900 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Oregon |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Wasco, Oregon
Head, age 30
Wasco, Oregon · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Petersen |
| Given Name | John W |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Oregon |
| Age at First Marriage | 24 |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Oregon |
| Occupation | Farmer |
| Industry | Wheat Farm |
| Class of Worker | E |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Wasco-County, Oregon
Head, age 40
Wasco-County, Oregon · implied b. ~1900 — 4 household members
| Surname | Peterson |
| Given Name | John |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Oregon |
| 1935 Residence (City) | Columbia |
| 1935 Residence (County) | Wasco |
| Occupation | Wheat + cattle |
| Industry | farming |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 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 John Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Louis Petersen (~0.92 confidence) and mother Mary Petersen (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Louis Petersen
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Mary Petersen
b. ~1865
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Peterson
Head · 1940 · age 40 · b. ~1900 · Oregon
★ 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 — Wasco-County, Oregon
Open full size
1940 US Federal Census — Wasco-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03381-00858)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Yoshigo Tada | 60 | head | Truck | Japan |
| 42 | Shizue Tada | 60 | wife | Truck | Japan |
| 43 | Joseph Lee | 30 | head | Laborer - Truck Garden | Missouri |
| 44 | Velma Lee | 30 | wife | — | Missouri |
| 45 | Robert Lee | 9 | son | — | Kansas |
| 46 | Frances Smith | 27 | head | Laborer - Truck Garden | Kansas |
| 47 | Agnes J. Smith | 25 | wife | — | Missouri |
| 48 | Donald Smith | 5 | son | — | Kansas |
| 49 | Clint C. Haight | 69 | head | Deputy Tax Assessor | Oregon |
| 50 | Helen M. Haight | 60 | wife | — | Oregon |
| 51 | Clara Wood Hesse | 56 | head | Laborer | Oregon |
| 52 | James D. Rose | 65 | head | Cook - Sheep Feeder | West Virginia |
| 53 | J. C. Fulton | 35 | head | Wheat + Cattle | Oregon |
| 54 | Lucile Fulton | 34 | wife | — | Oregon |
| 55 | John Fulton | 3 | son | — | Oregon |
| 56 | Mary Fulton | 1 | daughter | — | Oregon |
| 57 | Marian Fulton | 1 | daughter | — | Oregon |
| 58 | Wm Fulton | 68 | father | General | Oregon |
| 59 | Harry W. Markman | 48 | head | Wheat + Cattle | Illinois |
| 60 | Florence Markman | 49 | wife | — | Illinois |
| 61 | Marvin Markman | 20 | son | — | Illinois |
| 62 | Max Fulton | 63 | head | — | Oregon |
| 63 | Virginia Fulton | 63 | wife | — | Oregon |
| 64 | John Peterson THIS PERSON | 40 | head | Wheat + Cattle | Oregon |
| 65 | Anita Peterson | 38 | wife | — | Oregon |
| 66 | Phyllis Peterson | 13 | daughter | — | Oregon |
| 67 | Harry Smallwood | 40 | hired man | Laborer | Washington |
| 68 | Jiojiro Yasutome | 61 | head | Truck | Japan |
| 69 | Sadae Yasutome | 45 | wife | — | Japan |
| 70 | Yoshiaki Yasutome | 21 | son | Truck | Oregon |
| 71 | Asahiko Yasutome | 19 | daughter in law | — | Oregon |
| 72 | J. W. Barber | 58 | head | Labor | Missouri |
| 73 | Dora Barber | 49 | wife | — | Missouri |
| 74 | Wm Smith | 24 | lodger | Labor | Kansas |
| 75 | Carl Mccurdy | 42 | head | Wheat + Stock | Iowa |
| 76 | Hazel Mccurdy | 37 | wife | — | Minnesota |
| 77 | Orville Mccurdy | 12 | son | — | Oregon |
| 78 | Roy Mccurdy | 10 | son | — | Oregon |
| 79 | Wm Pennington | 43 | head | Wheat + Cattle + Hog | Nebraska |
| 80 | Maude Pennington | 54 | wife | — | Minnesota |
Pedigree Summary
John
Gen 1 · 2 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)