HC
Harry Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Logan-County, Colorado
Our Model Tree links this Harry Cook across the 1930 and 1940 US Censuses in Logan-County, Colorado (XGBoost, ~Confirmed) — first a head (b.~1885), then head of a 9-person household.
Age 55
b. ~1885
Male
Head
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Logan-County, Colorado |
| Surname | Cook |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Precinct 19, Kelly |
| 1935 Residence (County) | Logan |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 175 |
| Highest Grade | H 2 |
| 1935 Residence | Same House |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Occupation | Farmer |
| Township / Ward | Precinct 19 Kelly |
| Est. Birth Year | ~1885 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Velma Cook | Daughter | — | 22 | ~1918 |
| Ida Cook | Spouse | — | 50 | ~1890 |
| Lester Cook | Son | — | 24 | ~1916 |
| Merle Cook | Son | — | 15 | ~1925 |
| Arlo Cook | Son | — | 13 | ~1927 |
| Inez Cook | Daughter | — | 20 | ~1920 |
| Elma Cook | Son | — | 13 | ~1927 |
| Harry Cook | Head | — | 55 | ~1885 |
| Eleanor Cook | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Logan, Colorado
Head, age 45
Logan, Colorado · implied b. ~1885 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Harry A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 29 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Germany |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Veteran | No |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Logan-County, Colorado
Head, age 55
Logan-County, Colorado · implied b. ~1885 — 9 household members
| Surname | Cook |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Precinct 19, Kelly |
| 1935 Residence (County) | Logan |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 48 |
| Income (1939) | 175 |
| Highest Grade | H 2 |
| 1935 Residence | Same House |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Harry Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Cook
Head · 1940 · age 55 · b. ~1885 · 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 — Logan-County, Colorado
Open full size
1940 US Federal Census — Logan-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00469-00718)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harry Cook THIS PERSON | 55 | Head | Farmer | Nebraska |
| 2 | Ida Cook | 50 | Wife | — | Nebraska |
| 3 | Lester Cook | 24 | Son | Asst Laboratory | Nebraska |
| 4 | Velma Cook | 22 | Daughter | Teacher | Nebraska |
| 5 | Inez Cook | 20 | Daughter | Assistant Home Economics | Colorado |
| 6 | Eleanor Cook | 17 | Daughter | Typist | Colorado |
| 7 | Merle Cook | 15 | Son | Student | Colorado |
| 8 | Arlo Cook | 13 | Son | — | Colorado |
| 9 | Elma Cook | 13 | Son | — | Colorado |
| 10 | Ernest Sonnenberg | 31 | Head | Farmer | Nebraska |
| 11 | Luella Sonnenberg | 35 | Wife | — | Colorado |
| 12 | Lowell Sonnenberg | 11 | Son | — | Colorado |
| 13 | Loretta Sonnenberg | 11 | Daughter | — | Colorado |
| 14 | Gordon Sonnenberg | 3 | Son | — | Colorado |
| 15 | Jake Bander | 28 | Head | Farm Laborer | Colorado |
| 16 | Emma Bander | 25 | Wife | — | Colorado |
| 17 | Jerry Bander | 0 | Son | — | Colorado |
| 18 | Charles Green | 84 | Head | Retired | New York |
| 19 | Charles Holzworth | 73 | Head | Retired | Indiana |
| 20 | Mellie Holzworth | 67 | Wife | — | Indiana |
| 21 | Oscar Marks | 42 | Head | Farmer | Colorado |
| 22 | Abigail Marks | 46 | Wife | — | Missouri |
| 23 | Letha Marks | 19 | Daughter | Clerk | Colorado |
| 24 | Carrie Marks | 16 | Daughter | Assistant Public School | Colorado |
| 25 | George Fitzsimons | 66 | Head | Farmer | Illinois |
| 26 | Leona Fitzsimons | 54 | Wife | — | Nebraska |
| 27 | Mary Fitzsimons | 12 | Daughter | — | Colorado |
| 28 | Frank Lindstrom | 41 | Head | Farmer | South Dakota |
| 29 | Florence Lindstrom | 37 | Wife | — | Colorado |
| 30 | Carol Lindstrom | 7 | Daughter | — | Colorado |
| 31 | Margaret Lindstrom | 2 | Daughter | — | Colorado |
| 32 | Herbert Lindstrom | 20 | Head | Raising Turkeys | South Dakota |
| 33 | Albert Lindstrom | 57 | Head | Farmer | Nebraska |
| 34 | Alice Lindstrom | 51 | Wife | — | Nebraska |
| 35 | Frances Lindstrom | 25 | Daughter | College Student | Colorado |
| 36 | Ethel Lindstrom | 21 | Daughter | Student | Colorado |
| 37 | Walter Johnson | 20 | Laborer | Farm Laborer | Colorado |
| 38 | Francis Green | 59 | Head | Farmer | Illinois |
| 39 | Mary Green | 58 | Wife | — | Iowa |
| 40 | Evert E. Green | 24 | Son | Student | 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)