EC
Earl Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jewell-County, Kansas
Our Model Tree links this Earl Cook across the 1930 and 1940 US Censuses in Jewell-County, Kansas (XGBoost, ~Confirmed) — first a head (b.~1891), then head of a 12-person household.
Age 49
b. ~1891
Male
Head
Born: California
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jewell-County, Kansas |
| Surname | Cook |
| Given Name | Earl T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Sinclair Twp. |
| 1935 Residence (County) | Jewell |
| Additional Details | |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 82 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Occupation | Farming |
| Township / Ward | Sinclair Twp |
| Est. Birth Year | ~1891 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Earl | Age | Birth yr |
|---|---|---|---|---|
| Bernice Cook | Spouse | — | 42 | ~1898 |
| Ruby Cook | Daughter | — | 14 | ~1926 |
| Bonnie Cook | Daughter | — | 20 | ~1920 |
| Elizabeth Cook | Daughter | — | 12 | ~1928 |
| William Cook | Son | — | 9 | ~1931 |
| Ernest Cook | Son | — | 24 | ~1916 |
| Jerry Cook | Son | — | 5 | ~1935 |
| Victor Cook | Son | — | 18 | ~1922 |
| Bonnie Cook | Daughter | — | 1 | ~1939 |
| Conrad Cook | Son | — | 2 | ~1938 |
| Ralph Cook | Son | — | 22 | ~1918 |
| Earl Cook | Head | — | 49 | ~1891 |
Census Appearances
1930
Jewell, Kansas
Head, age 39
Jewell, Kansas · implied b. ~1891
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Cook |
| Given Name | Earl E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | California |
| Age at First Marriage | 22 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | No |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Jewell-County, Kansas
Head, age 49
Jewell-County, Kansas · implied b. ~1891 — 12 household members
| Surname | Cook |
| Given Name | Earl T. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | California |
| 1935 Residence (City) | Sinclair Twp. |
| 1935 Residence (County) | Jewell |
| Occupation | Farming |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 82 |
| Highest Grade | No 8 |
| 1935 Residence | Same Place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 Earl Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Earl Cook
Head · 1940 · age 49 · b. ~1891 · Kansas
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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 — Jewell-County, Kansas
Open full size
1940 US Federal Census — Jewell-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01236-00723)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Christina Guma | 53 | wife | — | Kansas |
| 2 | D. D. Guma | 19 | Son | — | Kansas |
| 3 | W. E. Peacock | 65 | Head | Farming | Missouri |
| 4 | Bertha Peacock | 61 | Wife | — | Kansas |
| 5 | Chas. Swanson | 40 | Head | Farming | Kansas |
| 6 | Nomi Swanson | 27 | Wife | — | Missouri |
| 7 | Carole Swanson | 6 | daughter | — | Kansas |
| 8 | Don Swanson | 4 | son | — | Kansas |
| 9 | Ruth Swanson | 1 | daughter | 0 | Kansas |
| 10 | J. H. File | 51 | Head | Farming | Kansas |
| 11 | Nora File | 49 | Wife | — | Kansas |
| 12 | Merle File | 11 | Son | — | Kansas |
| 13 | E. H. Smies | 49 | Head | Farming | Kansas |
| 14 | Winifred Smies | 49 | Wife | — | Kansas |
| 15 | Henry J. Smies | 20 | Son | Farming | Kansas |
| 16 | Margrette Smies | 18 | daughter | Housework | Kansas |
| 17 | Willie E. Smies | 14 | Son | — | Kansas |
| 18 | Mary E. Smies | 4 | daughter | — | Kansas |
| 19 | H. M. Alexander | 86 | Mother-in-law | — | Iowa |
| 20 | Earl T. Cook THIS PERSON | 49 | Head | Farming | California |
| 21 | Bernice Cook | 42 | Wife | Housework | Kansas |
| 22 | Ernest R. Cook | 24 | Son | Laborer | Kansas |
| 23 | Ralph J. Cook | 22 | Son | Laborer | Kansas |
| 24 | Victor Cook | 18 | Son | — | Kansas |
| 25 | Ruby Cook | 14 | daughter | — | Kansas |
| 26 | Elizabeth Cook | 12 | daughter | — | Kansas |
| 27 | William Cook | 9 | Son | — | Kansas |
| 28 | Jerry Cook | 5 | Son | — | Kansas |
| 29 | Conrad Cook | 2 | Son | 0 | Kansas |
| 30 | Bonnie Cook | 20 | daughter | Sewing | Kansas |
| 31 | Bonnie Cook | 1 | daughter | 0 | Kansas |
| 32 | L. M. Bothwell | 67 | Head | Farming | Ohio |
| 33 | Carrie Bothwell | 61 | Wife | — | Kansas |
| 34 | Arthur Ferguson | 33 | Head | Farming | Kansas |
| 35 | Dorothy Ferguson | 27 | Wife | — | Kansas |
| 36 | Dale Ferguson | 5 | Son | — | Kansas |
| 37 | Doris L. Ferguson | 3 | daughter | — | Kansas |
| 38 | L. Frankamp | 43 | Lodger | Laborer | Kansas |
| 39 | Carl F. Swanson | 42 | Head | Farming | Kansas |
| 40 | Inez L. Swanson | 33 | Wife | — | Kansas |
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)