AC
Arthur Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Whitman-County, Washington
Our Model Tree links this Arthur Cook across the 1930 and 1940 US Censuses in Whitman-County, Washington (XGBoost, ~Confirmed) — first a head (b.~1886), then head of a 8-person household.
Age 54
b. ~1886
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Whitman-County, Washington |
| Surname | Cook |
| Given Name | Arthur C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Pullman City |
| 1935 Residence (County) | Whitman |
| Additional Details | |
| Occupation | Dairyman |
| Industry | Private Dairy |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 452 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Dairyman |
| Township / Ward | Pullman City |
| Est. Birth Year | ~1886 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Arthur | Age | Birth yr |
|---|---|---|---|---|
| Lloyd Cook | Son | — | 9 | ~1931 |
| Lyle Cook | Son | — | 9 | ~1931 |
| Arthur Cook | Head | — | 54 | ~1886 |
| Byron Cook | Son | — | 10 | ~1930 |
| Ruth Cook | Daughter | — | 23 | ~1917 |
| Edith Cook | Spouse | — | 51 | ~1889 |
| Wayne Cook | Son | — | 17 | ~1923 |
| Helen Cook | Daughter | — | 20 | ~1920 |
Census Appearances
1930
Whitman, Washington
Head, age 44
Whitman, Washington · implied b. ~1886 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Arthur C |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 29 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Tennessee |
| Occupation | Buyer |
| Industry | Grain |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3500 |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Whitman-County, Washington
Head, age 54
Whitman-County, Washington · implied b. ~1886 — 8 household members
| Surname | Cook |
| Given Name | Arthur C. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Pullman City |
| 1935 Residence (County) | Whitman |
| Occupation | Dairyman |
| Industry | Private Dairy |
| Class of Worker | OA |
| Hours Worked | 84 |
| Income (1939) | 452 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Arthur Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Arthur Cook
Head · 1940 · age 54 · b. ~1886 · Washington
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Whitman-County, Washington
Open full size
1940 US Federal Census — Whitman-County, Washington
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-04370-00041)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | F. Lyle | 11 | Step-son | — | Idaho |
| 2 | Paul F. Abendroth | 63 | Head | Salesman | Germany |
| 3 | Flora Abendroth | 58 | Wife | — | Missouri |
| 4 | Paul Jr. Abendroth | 23 | Son | Laborer | Missouri |
| 5 | Luther O. Dana | 80 | Head | Carpenter | Iowa |
| 6 | Blanche (X) Dana | 69 | Wife | — | Penn. |
| 7 | Lawrence J. Steed | 46 | Head | Area Salesman | Idaho |
| 8 | Muriel C. (X) Steed | 42 | Wife | — | Illinois |
| 9 | Doris L. Steed | 18 | Daughter | Housekeeper | Wash |
| 10 | Marjorie L. Steed | 17 | Daughter | Waitress | Wash |
| 11 | Orland W. Case | 28 | Head | Foreman | Wash |
| 12 | Helen L. (X) Case | 24 | Wife | — | Idaho |
| 13 | Darla R. Case | 2 | Daughter | — | Wash |
| 14 | Lester B. (X) Weed | 28 | Brother-in-law | Cobbler | Idaho |
| 15 | Eva M. (X) Hammond | 50 | Head | — | Iowa |
| 16 | Herbert E. Hammond | 22 | Step-son | — | Wash |
| 17 | Gertrude (X) Bodreau | 30 | Lodger | Beautician | Wash |
| 18 | Ashton F. Coonradt | 45 | Head | Manager | Wash |
| 19 | Ora D. (X) Coonradt | 43 | Wife | — | Minn. |
| 20 | Robert H. Coonradt | 20 | Son | Cashier | Idaho |
| 21 | Ralph C. Guse | 41 | Head | Elect. Engineer | Wash |
| 22 | Leona C. (X) Guse | 43 | Wife | — | Illinois |
| 23 | Jerry R. Guse | 10 | Son | — | Wash |
| 24 | Lawrence D. Gould | 31 | Head | Assist. Manager | Missouri |
| 25 | Grace F. (X) Gould | 27 | Wife | — | Wash |
| 26 | Douglas D. Gould | 1 | Son | — | Wash |
| 27 | Arthur C. Cook THIS PERSON | 54 | Head | Dairyman | Illinois |
| 28 | Edith F. (X) Cook | 51 | Wife | — | Iowa |
| 29 | Ruth H. Cook | 23 | Daughter | — | Wash |
| 30 | Helen F. Cook | 20 | Daughter | — | Wash |
| 31 | Wayne H. Cook | 17 | Son | — | Wash |
| 32 | Byron C. Cook | 10 | Son | — | Wash |
| 33 | Lyle W. Cook | 9 | Son | — | Wash |
| 34 | Lloyd K. Cook | 9 | Son | — | Wash |
| 35 | Philip A. Watke | 27 | Head | Display-Adv. Manager | Illinois |
| 36 | Hazel A. (X) Watke | 27 | Wife | — | S. Dakota |
| 37 | Phyllis L. Watke | 1 | Daughter | — | Wash |
| 38 | Lyle O. (X) Phelps | 33 | Head | Laborer | N. Dakota |
Related Census Records
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)