RW
Ralph Walker — 1940 US Census Record
Model Tree available1940 United States Federal Census · Malheur-County, Oregon
Our Model Tree links this Ralph Walker across the 1920, 1930 and 1940 US Censuses in Malheur-County, Oregon (XGBoost, ~Confirmed), with identified parents William & Ethel — first a son (b.~1915), then head of a 7-person household.
Age 25
b. ~1915
Male
Son
Born: Oregon
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Malheur-County, Oregon |
| Surname | Walker |
| Given Name | Ralph E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Ontario town |
| Additional Details | |
| Occupation | Assistant State Veterinarian |
| Industry | Control of Cattle Disease |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 850 |
| Highest Grade | H 4 |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Occupation | Assistant State Veterinarian |
| Township / Ward | Ontario Town |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ralph | Age | Birth yr |
|---|---|---|---|---|
| Ethel Walker | Spouse | — | 50 | ~1890 |
| Shirley Walker | Daughter | — | 18 | ~1922 |
| Stanley Walker | Son | — | 24 | ~1916 |
| William Walker | Head | — | 56 | ~1884 |
| Ralph Walker | Son | — | 25 | ~1915 |
| Edith Clarke | Other | — | 29 | ~1911 |
| Muriel Walker | Daughter | — | 22 | ~1918 |
Census Appearances
1920
Malheur, Oregon
Son, age 5
Malheur, Oregon · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Ralph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Malheur, Oregon
Son, age 15
Malheur, Oregon · implied b. ~1915 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Walker |
| Given Name | Ralph E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Oregon |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Malheur-County, Oregon
Son, age 25
Malheur-County, Oregon · implied b. ~1915 — 7 household members
| Surname | Walker |
| Given Name | Ralph E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Oregon |
| 1935 Residence (City) | Ontario town |
| Occupation | Assistant State Veterinarian |
| Industry | Control of Cattle Disease |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 850 |
| Highest Grade | H 4 |
| 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 Ralph Walker across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Walker (~0.92 confidence) and mother Ethel Walker (~0.92 confidence) and mother Ethel Walker (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Walker
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Ethel Walker
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Ethel Walker
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ralph Walker
Son · 1940 · age 25 · b. ~1915 · Oregon
★ You are viewing this record
Sibling
Shirley Walker
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Muriel Walker
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stanley Walker
Sibling · 1940 · age 24
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 — Malheur-County, Oregon
Open full size
1940 US Federal Census — Malheur-County, Oregon
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-03372-00533)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Homer O Arment | 38 | Head | Assistant Manager | Oklahoma |
| 42 | Roa G Arment | 34 | Wife | Stenographer | Ohio |
| 43 | James J Arment | 12 | Son | — | Idaho |
| 44 | Helen Wenda | 22 | Housekeeper | Housekeeper | Kansas |
| 45 | William Mark Walker | 56 | Head | Court Reporter | Wisconsin |
| 46 | Ethel Winifred Walker | 50 | Wife | — | Michigan |
| 47 | Ralph E Walker THIS PERSON | 25 | Son | Assistant State Veterinarian | Oregon |
| 48 | Stanley S Walker | 24 | Son | Helper | Oregon |
| 49 | Muriel M Walker | 22 | Daughter | Bookkeeper | Oregon |
| 50 | Shirley Walker | 18 | Daughter | — | Oregon |
| 51 | Edith Clarke | 29 | Lodger | School Teacher | Michigan |
| 52 | Raymond W Jones | 54 | Head | Proprietor | Iowa |
| 53 | Mary E Jones | 45 | Wife | — | Idaho |
| 54 | Charles Wallis Jones | 24 | Son | Laundry Work | Oregon |
| 55 | Robert L Vaughn | 30 | Head | Salesman | South Dakota |
| 56 | Mary M Vaughn | 25 | Wife | — | California |
| 57 | Susan Vaughn | 3 | Daughter | — | Oregon |
| 58 | Trotter Vaughn | 2 | Son | — | Oregon |
| 60 | Flora B Dorman | 72 | Head | — | Penn |
| 62 | J Conan Christiansen | 32 | Head | Relief Clerk | Oregon |
| 63 | Lucile Christiansen | 33 | Wife | Proprietor | Oregon |
| 64 | Carroll Christiansen | 9 | Son | — | Oregon |
| 65 | Clea Christiansen | 5 | Daughter | — | Oregon |
| 66 | Kenneth Layton Miller | 25 | Head | Dentist | Oregon |
| 67 | Ruby Josephine Miller | 24 | Wife | — | Indiana |
| 68 | Joseph Echaniz | 46 | Head | Stock Raiser | Spain |
| 69 | Timotea Echaniz | 28 | Wife | — | Oregon |
| 70 | Dolores Echaniz | 4 | Daughter | — | Oregon |
| 71 | Joe Echaniz | 2 | Son | — | Oregon |
| 72 | Carmen Urquen | 21 | Sister-in-law | Apprentice Beauty Shop | Oregon |
| 73 | Loran Kline | 48 | Head | Dentist | Iowa |
| 74 | Maud Kline | 47 | Wife | — | Iowa |
| 75 | John B Kline | 21 | Son | Carpenters Helper | Iowa |
| 76 | Patricia Kline | 15 | Daughter | — | Idaho |
| 77 | Frank N Van Petten | 35 | Head | Partner Lumber Company | Oklahoma |
| 78 | Jean Van Petten | 36 | Wife | — | Illinois |
| 79 | David E Van Petten | 9 | Son | — | Oregon |
| 80 | Ion-Ella Gosneyer | 21 | Housekeeper | Housekeeper | Minnesota |
Pedigree Summary
Ralph + 3 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)