HC
Harold Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Chaffee-County, Colorado
Our Model Tree links this Harold Cook across the 1930 and 1940 US Censuses in Chaffee-County, Colorado (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 8-person household.
Age 47
b. ~1893
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Chaffee-County, Colorado |
| Surname | Cook |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Browns Canon Precinct 9 |
| 1935 Residence (County) | Chaffee |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farmer |
| Township / Ward | Browns Canon Precinct 9 |
| Est. Birth Year | ~1893 |
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 Harold | Age | Birth yr |
|---|---|---|---|---|
| James Cook | Son | — | 12 | ~1928 |
| Edna Cook | Spouse | — | 47 | ~1893 |
| Ruth Cook | Daughter | — | 16 | ~1924 |
| Billy Cook | Son | — | 1 | ~1939 |
| Freddie Cook | Son | — | 25 | ~1915 |
| Claude Cook | Son | — | 28 | ~1912 |
| Flora Cook | Daughter | — | 9 | ~1931 |
| Harold Cook | Head | — | 47 | ~1893 |
Census Appearances
1930
Chaffee, Colorado
Head, age 39
Chaffee, Colorado · implied b. ~1891 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Harold J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 20 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Missouri |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | VVVV O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Chaffee-County, Colorado
Head, age 47
Chaffee-County, Colorado · implied b. ~1893 — 8 household members
| Surname | Cook |
| Given Name | Harold |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Browns Canon Precinct 9 |
| 1935 Residence (County) | Chaffee |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 70 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harold Cook
Head · 1940 · age 47 · b. ~1893 · Colorado
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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 — Chaffee-County, Colorado
Open full size
1940 US Federal Census — Chaffee-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00458-00081)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gale Gale | 11 | Son | — | Kansas |
| 42 | June Gale | 9 | Daughter | — | Colorado |
| 43 | Donna Kay Gale | 5 | Daughter | — | Colorado |
| 44 | Richard Lee Gale | 3 | Son | — | Colorado |
| 45 | Augustus Whitmore | 52 | Head | Farmer | Colorado |
| 46 | Pauline Whitmore | 51 | Wife | — | Kansas |
| 47 | Fred Walker | 38 | Head | Repairer | Oklahoma |
| 48 | Martha Walker | 34 | Wife | Waitress | Oklahoma |
| 49 | Glen Walker | 16 | Son | — | Oklahoma |
| 50 | Albert Walker | 14 | Son | — | Oklahoma |
| 51 | Marcella Walker | 9 | Daughter | — | Texas |
| 52 | John Tancic | 52 | Head | Farmer | Yugoslavia |
| 53 | Agnes Tancic | 41 | Wife | — | Yugoslavia |
| 54 | Joe Tancic | 17 | Son | Laborer | Colorado |
| 55 | John Tancic | 15 | Son | Laborer | Colorado |
| 56 | Annie Tancic | 14 | Daughter | — | Colorado |
| 57 | William Tancic | 12 | Son | — | Colorado |
| 58 | Louis Tancic | 10 | Son | — | Colorado |
| 59 | Harold Cook THIS PERSON | 47 | Head | Farmer | Kansas |
| 60 | Edna Cook | 47 | Wife | — | Colorado |
| 61 | Claude Cook | 28 | Son | Laborer | Colorado |
| 62 | Freddie Cook | 25 | Son | Laborer | Colorado |
| 63 | Ruth Cook | 16 | Daughter | — | Colorado |
| 64 | James Cook | 12 | Son | — | Colorado |
| 65 | Flora Cook | 9 | Daughter | — | Colorado |
| 66 | Billy Cook | 1 | Son | — | Colorado |
| 67 | Walter Snelson | 49 | Head | Farmer | Colorado |
| 68 | Ida Snelson | 52 | Wife | — | Colorado |
| 69 | Maxine Snelson | 21 | Daughter | Stenographer | Colorado |
| 70 | Wesley Snelson | 19 | Son | Laborer | Colorado |
| 71 | Yvonne Snelson | 17 | Daughter | — | Colorado |
| 72 | Ray Mott | 52 | Head | Laborer | Canada-English |
| 73 | Frederick Mott | 23 | Son | Laborer | Colorado |
| 74 | Clyde Lock | 38 | Hired man | Laborer | Colorado |
| 75 | Robin Hatcher | 58 | Head | Farmer | Austria |
| 76 | Amelia Hatcher | 49 | Wife | — | Italy |
| 77 | Joe Alloy | 21 | Son | Laborer | Colorado |
| 78 | Ralph Alloy | 31 | Son | Laborer | Colorado |
| 79 | Amelia Mortellaro | 17 | Daughter | — | Colorado |
| 80 | Mary Mortellaro | 14 | Daughter | — | Colorado |
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)