HC
Harold Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Whitman-County, Washington
Our Model Tree links this Harold Cook across the 1920, 1930 and 1940 US Censuses in Whitman-County, Washington (XGBoost, ~Confirmed), with identified parents Ira & John — first a head (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Head
Born: Washington
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Whitman-County, Washington |
| Surname | Cook |
| Given Name | Harold E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Whitman |
| Additional Details | |
| Occupation | Farm Labor |
| Industry | Farming |
| Class of Worker | NP |
| Hours Worked | 30 |
| Income (1939) | 350 |
| Highest Grade | H-4 |
| 1935 Residence | Washington |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | Farm Laborer |
| Township / Ward | Endicott Precinct 16 |
| Est. Birth Year | ~1914 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| Donald Cook | Son | — | 3 | ~1937 |
| Dorothy Cook | Daughter | — | ~1940 | |
| Harold Cook | Head | — | 26 | ~1914 |
| Bonnie Cook | Spouse | — | 22 | ~1918 |
Census Appearances
1920
Whitman, Washington
Son, age 6
Whitman, Washington · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Harold E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Washington |
| Mother's Birthplace | Washington |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Whitman, Washington
Son, age 16
Whitman, Washington · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Harold E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Washington |
| Mother's Birthplace | Washington |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1940
Whitman-County, Washington
Head, age 26
Whitman-County, Washington · implied b. ~1914 — 4 household members
| Surname | Cook |
| Given Name | Harold E. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Washington |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Whitman |
| Occupation | Farm Labor |
| Industry | Farming |
| Class of Worker | NP |
| Hours Worked | 30 |
| Income (1939) | 350 |
| Highest Grade | H-4 |
| 1935 Residence | Washington |
| 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 Harold Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ira Cook (~0.92 confidence) and father John Cook (~0.92 confidence) and mother Edith Cook (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ira Cook
b. ~1894
Source father
● Household
· direct · ~0.92
Father
John Cook
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Edith Cook
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Cook
Head · 1940 · age 26 · b. ~1914 · Washington
★ 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 — Whitman-County, Washington
Open full size
1940 US Federal Census — Whitman-County, Washington
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04370-00267)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Dale B. Schmick | 14 | Son | — | Washington |
| 42 | Donovan Schmick | 10 | Son | — | Washington |
| 43 | Harold E. Cook THIS PERSON | 26 | Head | Farm Labor | Washington |
| 44 | Bonnie M. Cook | 22 | Wife | — | Oregon |
| 45 | Donald G. Cook | 3 | Son | — | Washington |
| 46 | Dorothy D. Cook | 0 | Daughter | — | Washington |
| 47 | Sam Smick | 40 | Head | Farmer | Washington |
| 48 | Leah Smick | 40 | Wife | — | Washington |
| 49 | Warren R. Smick | 19 | Son | Farm Labor | Washington |
| 50 | Barbara J. Smick | 17 | Daughter | — | Washington |
| 51 | Stanley B. Smick | 15 | Son | — | Washington |
| 52 | Clifford W. Smick | 14 | Son | — | Washington |
| 53 | Duane R. Smick | 2 | Son | — | Washington |
| 54 | Otto Bachman | 53 | Head | Farmer | Illinois |
| 55 | Josephine Bachman | 53 | Wife | — | Nebraska |
| 56 | Robert D. Bachman | 9 | Son | — | Washington |
| 57 | Marie P. Kozisek | 47 | In-law | Nursing | Nebraska |
| 58 | J. T. Grove | 54 | Head | Farmer | Washington |
| 59 | Amelia Grove | 45 | Wife | — | Washington |
| 60 | Lucentia J. Grove | 21 | Daughter | — | Washington |
| 61 | Evelyn L. Grove | 19 | Daughter | — | Washington |
| 62 | Roberta J. Grove | 15 | Daughter | — | Washington |
| 63 | C. W. Grove | 60 | Brother | Farmer | Washington |
| 64 | Adam Held | 26 | Head | Farmer | Washington |
| 65 | Esther M. Held | 23 | Wife | — | Washington |
| 66 | Larry A. Held | 3 | Son | — | Washington |
| 67 | Henry Schmick | 41 | Head | Farmer | Russia |
| 68 | Anna M. Schmick | 32 | Wife | — | Washington |
| 69 | Alvery H. Schmick | 5 | Son | — | Washington |
| 70 | Carl R. Smick | 28 | Head | Farmer | Washington |
| 71 | Evalena Smick | 29 | Wife | — | Washington |
| 72 | George Blumenschein | 45 | Head | Farmer | Russia |
| 73 | Elizabeth Blumenschein | 33 | Wife | — | Russia |
| 74 | Joyce L. Blumenschein | 13 | Daughter | — | Washington |
| 75 | Kenneth D. Blumenschein | 11 | Son | — | Washington |
| 76 | Harvey W. Blumenschein | 9 | Son | — | Washington |
| 77 | Raymond L. Blumenschein | 5 | Son | — | Washington |
| 78 | John Getz | 33 | Hired help | Farm Labor | Russia |
| 79 | Frank Luft | 55 | Head | Farmer | Russia |
| 80 | Susie Luft | 53 | Wife | — | Russia |
Pedigree Summary
Harold
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)