HP
Harry Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Oregon
Our Model Tree links this Harry Peterson across the 1920, 1930 and 1940 US Censuses in Washington-County, Oregon (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1908), then head of a 4-person household.
Age 32
b. ~1908
Male
Son
Born: Washington
Divorced
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Oregon |
| Surname | Peterson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Divorced |
| Birthplace | Washington |
| 1935 Residence (City) | Dilley |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | farmer |
| Industry | farming |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Farmer |
| Township / Ward | Dilley |
| Est. Birth Year | ~1908 |
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 Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Peterson | Son | — | 32 | ~1908 |
| J Peterson | Head | — | 63 | ~1877 |
| Fannie Peterson | Spouse | — | 62 | ~1878 |
| Ruth Peterson | Other | — | 5 | ~1935 |
Census Appearances
1920
Washington, Oregon
Son, age 13
Washington, Oregon · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Harry P. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Washington, Oregon
Son, age 23
Washington, Oregon · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Herb P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Wisconsin |
| Occupation | Farmer |
| Industry | Gen farming |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Washington-County, Oregon
Son, age 32
Washington-County, Oregon · implied b. ~1908 — 4 household members
| Surname | Peterson |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Divorced |
| Birthplace | Washington |
| 1935 Residence (City) | Dilley |
| 1935 Residence (County) | Washington |
| Occupation | farmer |
| Industry | farming |
| Class of Worker | OA |
| Hours Worked | 80 |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 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 Harry Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Peterson (~0.92 confidence) and father John Peterson (~0.92 confidence) and father J Peterson (~0.92 confidence) and mother Fannie Peterson (~0.92 confidence) and mother Hannah Peterson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Peterson
b. ~1872
Source father
● Household
· direct · ~0.92
Father
John Peterson
b. ~1873
Source father
● Household
· direct · ~0.92
Father
J Peterson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Fannie Peterson
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Hannah Peterson
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Peterson
Son · 1940 · age 32 · b. ~1908 · 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 — Washington-County, Oregon
Open full size
1940 US Federal Census — Washington-County, Oregon
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03382-00509)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Abraham Trummer | 41 | Head | Farm Laborer | Switzerland |
| 2 | Marie Trummer | 38 | Wife | — | Indiana |
| 3 | Maria V. Trummer | 16 | Daughter | — | Oregon |
| 4 | Robert Trummer | 14 | Son | — | Oregon |
| 5 | Leo Trummer | 5 | Son | — | Oregon |
| 6 | John H. Hughes | 68 | Head | County Commissioner | Oregon |
| 7 | Clara Belle Hughes | 66 | Wife | — | Kansas |
| 8 | John A. Allen | 34 | Hired man | — | Washington |
| 9 | Charles Tompkins | 55 | Head | Messenger And Express | Iowa |
| 10 | Julia Tompkins | 53 | Wife | — | Illinois |
| 11 | Louis F. Schmidtheiser | 52 | Hired man | Laborer | New York |
| 12 | — | None | — | — | — |
| 13 | William Forbis | 33 | Head | Farmer | Montana |
| 14 | Lucille Forbis | 30 | Wife | — | Washington |
| 15 | William Jr. Forbis | 7 | Son | — | California |
| 16 | Ida Graves | 62 | Housekeeper | Housekeeper | New York |
| 17 | Earl Buchanan | 68 | Head | Laborer | Montana |
| 18 | Paul Bierstedt | 48 | Head | Foreman | Iowa |
| 19 | Sophia Bierstedt | 44 | Wife | — | Iowa |
| 20 | Joe Frank | 46 | Head | Laborer | Ohio |
| 21 | Erma Frank | 47 | Wife | — | Oregon |
| 22 | Willis Frank | 24 | Son | Crane Chaser | Oregon |
| 23 | Roberta Frank | 20 | Daughter | Assistant | Oregon |
| 24 | Robert Frank | 18 | Son | — | Oregon |
| 25 | Richard Frank | 14 | Son | — | Oregon |
| 26 | Joann Frank | 13 | Daughter | — | Oregon |
| 27 | Barbara Lee Frank | 11 | Daughter | — | Oregon |
| 28 | Martha Gray | 77 | Head | — | Tennessee |
| 29 | George Plumlee | 61 | Head | Farmer | Tennessee |
| 30 | Stella Plumlee | 45 | Wife | — | Tennessee |
| 31 | Claude Plumlee | 16 | Son | — | Oregon |
| 32 | George Jr. Plumlee | 12 | Son | — | Oregon |
| 33 | Richard Plumlee | 7 | Son | — | Oregon |
| 34 | Muriel Arthur | 22 | Daughter | — | Oregon |
| 35 | J. Chris Peterson | 63 | Head | Farmer | Wisconsin |
| 36 | Fannie Peterson | 62 | Wife | — | Wisconsin |
| 37 | Harry Peterson THIS PERSON | 32 | Son | Farmer | Washington |
| 38 | Ruth Peterson | 5 | Granddaughter | — | Oregon |
| 39 | George Harris | 55 | Head | Farmer | Ireland |
| 40 | Wiley Harris | 31 | Son | Farmer | Nebraska |
Pedigree Summary
Harry
Gen 1 · 5 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)