GC
George Cook — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Kansas
Our Model Tree links this George Cook across the 1910, 1920, 1930 and 1940 US Censuses in Jefferson-County, Kansas (XGBoost, ~Confirmed), with identified parents Cyrus & Ella — first a head (b.~1903), then head of a 5-person household.
Age 37
b. ~1903
Male
Head
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Kansas |
| Surname | Cook |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Kaw twp |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Kansas |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Farmer |
| Township / Ward | Kaw Twp |
| Est. Birth Year | ~1903 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Delores Cook | Daughter | — | 5 | ~1935 |
| Betty Cook | Daughter | — | 12 | ~1928 |
| George Cook | Head | — | 37 | ~1903 |
| Melvin Cook | Son | — | 15 | ~1925 |
| Maudie Cook | Spouse | — | 35 | ~1905 |
Census Appearances
1910
Jefferson, Kansas
Son, age 7
Jefferson, Kansas · implied b. ~1903 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | George F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Speaks English | English |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1920
Jefferson, Kansas
Son, age 17
Jefferson, Kansas · implied b. ~1903 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Geo A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | Farmer |
| Industry | Home Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Jefferson, Kansas
Head, age 27
Jefferson, Kansas · implied b. ~1903 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | George B. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 21 |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Occupation | Farmer |
| Industry | General Farming |
| Class of Worker | O |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Veteran | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Jefferson-County, Kansas
Head, age 37
Jefferson-County, Kansas · implied b. ~1903 — 5 household members
| Surname | Cook |
| Given Name | George |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Kaw twp |
| 1935 Residence (County) | Jefferson |
| Occupation | Farmer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 60 |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Kansas |
| 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 George Cook across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Cyrus Cook (~0.92 confidence) and mother Ella Cook (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Cyrus Cook
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Ella Cook
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
George Cook
Head · 1940 · age 37 · b. ~1903 · Kansas
★ 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 — Jefferson-County, Kansas
Open full size
1940 US Federal Census — Jefferson-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01236-00099)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Dale Burton | 9 | Son | — | Kansas |
| 2 | Maxine Burton | 1 | Daughter | — | Kansas |
| 3 | Lawrence Easum | 33 | Head | Application Clerk | Kansas |
| 4 | Viola Easum | 26 | Wife | Housewife | Kansas |
| 5 | Robert Chalmers | 43 | Head | Saddle Maker | Scotland |
| 6 | Hazel Chalmers | 42 | Wife | Teacher | Kansas |
| 7 | Robert B. Chalmers | 12 | Son | — | Kansas |
| 8 | Luman Payne | 52 | Head | Section Hand | Illinois |
| 9 | Domingo Castardo | 53 | Head | Section Hand | Mexico |
| 10 | Nicolas Castardo | 50 | Wife | Housewife | Mexico |
| 11 | Enes Castardo | 24 | Son | Labor | Texas |
| 12 | Lena Castardo | 21 | Daughter | Unpaid Help | Kansas |
| 13 | Johnnie Castardo | 18 | Son | Labor | Kansas |
| 14 | Mary Castardo | 16 | Daughter | Student | Kansas |
| 15 | Esther Castardo | 14 | Daughter | — | Kansas |
| 16 | Irene Castardo | 12 | Daughter | — | Kansas |
| 17 | Margarita Castardo | 6 | Daughter | — | Kansas |
| 18 | Joe Mendoza | 42 | Head | Section Hand | Mexico |
| 19 | Romana Mendoza | 38 | Wife | Housewife | Texas |
| 20 | Gertresa Mendoza | 20 | Daughter | Unpaid Help | Texas |
| 21 | Marcella Mendoza | 19 | Daughter | Housekeep | Oklahoma |
| 22 | Leo Mendoza | 9 | Son | — | Kansas |
| 23 | Katherine Mendoza | 8 | Daughter | — | Kansas |
| 24 | Lydia Mendoza | 1 | Daughter | — | Kansas |
| 25 | Micheal Tryon | 46 | Head | Section Foreman | Kansas |
| 26 | Emma Tryon | 41 | Wife | Housewife | Kansas |
| 27 | Clyde D. Tryon | 20 | Son | Student | Kansas |
| 28 | Maxine Tryon | 17 | Daughter | Unpaid Help | Kansas |
| 29 | Charles Tryon | 13 | Son | — | Kansas |
| 30 | George Cook THIS PERSON | 37 | Head | Farmer | Kansas |
| 31 | Maudie Cook | 35 | Wife | Housewife | Kansas |
| 32 | Melvin Cook | 15 | Son | Student | Kansas |
| 33 | Betty Cook | 12 | Daughter | — | California |
| 34 | Delores Cook | 5 | Daughter | — | Kansas |
| 35 | Joseph Palmer | 43 | Head | Farmer | Kansas |
| 36 | Bernice Palmer | 42 | Wife | Housewife | Kansas |
| 37 | Elsie Welch | 66 | Mother-in-law | Hire Help | Missouri |
| 38 | Russell Palmer | 34 | Head | Farmer | Kansas |
| 39 | Leona Palmer | 33 | Wife | Housewife | Kansas |
| 40 | Shirley Palmer | 9 | Daughter | — | Kansas |
Pedigree Summary
George
Gen 1 · 2 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)