HC
Harold Cook — 1920 US Census Record
Model Tree available1920 United States Federal Census · Walla Walla, Washington
Our Model Tree links this Harold Cook across the 1910, 1920 and 1930 US Censuses in Walla Walla, Washington (XGBoost, ~Confirmed), with identified parents Horace & Horace — first a son (b.~1906), then head of a 6-person household.
Age 14
b. ~1906
Male
Son
Born: Washington
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Walla Walla, Washington |
| Surname | Cook |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Township / Ward | Prospect Point Precinct |
| Est. Birth Year | ~1906 |
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.
6 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Charles Cook | Son | — | 12 | ~1908 |
| Harold Cook | Son | — | 14 | ~1906 |
| Horace Cook | Head | — | 40 | ~1880 |
| Margaret Cook | Daughter | — | 1 | ~1919 |
| Mayme Cook | Spouse | — | 34 | ~1886 |
| Dorothy Cook | Daughter | — | 9 | ~1911 |
Census Appearances
1910
Walla Walla, …
Son, age 4
Walla Walla, Washington · implied b. ~1906 — 6 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 | 4 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Iowa |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1920
Walla Walla, …
Son, age 14
Walla Walla, Washington · implied b. ~1906 — 6 household members
| Surname | Cook |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Walla Walla, …
Other, age 24
Walla Walla, Washington · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooke |
| Given Name | Harold C. |
| Relationship to Head | Son-in-law |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Washington |
| Age at First Marriage | 20 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Iowa |
| Occupation | Mechanic |
| Industry | Auto |
| Class of Worker | 7623 |
| Can Read/Write | Yes |
| Veteran | no |
| 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 (1910, 1920 and 1930) in Walla Walla, Washington, using XGBoost record linkage. Identified parents: father Horace Cook (~0.92 confidence) and father Horace Cook (~0.92 confidence) and mother Margaret Cook (~0.92 confidence) and mother Mayme Cook (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Horace Cook
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Horace Cook
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Margaret Cook
b. ~1877
Source mother
● Household
· direct · ~0.92
Mother
Mayme Cook
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Cook
Son · 1920 · age 14 · b. ~1906 · Washington
★ You are viewing this record
Sibling
Margaret Cook
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Cook
Sibling · 1920 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Cook
Sibling · 1920 · age 12
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
1920 US Federal Census — Walla Walla, Washington
Open full size
1920 US Federal Census — Walla Walla, Washington
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1943unit:0223)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Charley Michaelis | 10 | Son | — | New York |
| 2 | Henry Michaelis | 42 | Head | Farmer | Russia |
| 3 | Lidia Michaelis | 44 | Wife | — | Russia |
| 4 | Elvina Michaelis | 8 | Daughter | — | Kansas |
| 5 | Louis Gies | 48 | Head | Farmer | Russia |
| 6 | Bertha Gies | 46 | Wife | — | Illinois |
| 7 | Ruth Gies | 16 | Daughter | — | Illinois |
| 8 | Frederick Gies | 14 | Son | — | Washington |
| 9 | Esther E. Gies | 11 | Daughter | — | Washington |
| 10 | Madalene C. Gies | 8 | Daughter | — | Washington |
| 11 | Martha M. Gies | 5 | Daughter | — | Washington |
| 12 | Fred Zimmerman | 36 | Hired man | Laborer | Pennsylvania |
| 13 | Sophia Zimmerman | 47 | Hired girl | — | Germany |
| 14 | Marion A. Sample | 61 | Head | Farmer | Pennsylvania |
| 15 | William Pfeiffer | 62 | Head | Farmer | Switzerland |
| 16 | Rosie Pfeiffer | 52 | Wife | — | Minnesota |
| 17 | John A. Pfeiffer | 28 | Son | Laborer | Washington |
| 18 | Lidia S. Pfeiffer | 26 | Daughter | — | Nebraska |
| 19 | William N. Pfeiffer | 24 | Son | Laborer | Minnesota |
| 20 | Raymond A. Pfeiffer | 21 | Son | Laborer | Minnesota |
| 21 | David A. Pfeiffer | 19 | Son | — | Minnesota |
| 22 | Myra E. Pfeiffer | 17 | Daughter | — | Minnesota |
| 23 | Ella R. Pfeiffer | 13 | Daughter | — | Washington |
| 24 | Horace Cook | 40 | Head | Farmer | Tennessee |
| 25 | Mayme Cook | 34 | Wife | — | Iowa |
| 26 | Harold Cook THIS PERSON | 14 | Son | — | Washington |
| 27 | Charles F. Cook | 12 | Son | — | Washington |
| 28 | Dorothy Cook | 9 | Daughter | — | Washington |
| 29 | Margaret Cook | 1 | Daughter | — | Washington |
| 30 | William Lund | 43 | Head | Manager | Germany |
| 31 | Annie Lund | 39 | Wife | — | Illinois |
| 32 | John Lund | 19 | Son | Laborer | Illinois |
| 33 | Charles Lund | 17 | Son | — | Illinois |
| 34 | Roy Lund | 12 | Son | — | Washington |
| 35 | John M. Singer | 61 | Head | — | Germany |
| 36 | Lena Singer | 59 | Wife | — | Oregon |
| 37 | Gertrude M. Boyd | 31 | Step-daughter | Servant | Oregon |
| 38 | Abraham Shaghal | 38 | Head | Farmer | Michigan |
| 39 | Amelia L. Shaghal | 37 | Wife | — | Minnesota |
| 40 | Irene Shaghal | 10 | Daughter | — | Washington |
| 41 | Mamie Shaghal | 10 | Daughter | — | Washington |
| 42 | James Shaghal | 6 | Son | — | Washington |
| 43 | Rudolph Gily | 40 | Head | Laborer | Austria |
| 44 | Mary Gily | 40 | Wife | — | Austria |
| 45 | Bertha Gily | 14 | Daughter | — | Austria |
| 46 | Mary Gily | 11 | Daughter | — | Austria |
| 47 | Rudolph Gily | 10 | Son | — | Austria |
| 48 | Annie Gily | 7 | Daughter | — | Washington |
| 49 | Freda Gily | 5 | Daughter | — | Washington |
| 50 | George Gily | 3 | Son | — | Washington |
Pedigree Summary
Harold + 3 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)