LC
Lillian Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Pottawatomie-County, Kansas
Our Model Tree links this Lillian Cook across the 1930 and 1940 US Censuses in Pottawatomie-County, Kansas (XGBoost, ~Confirmed) — first a spouse (b.~1909), then head of a 8-person household.
Age 31
b. ~1909
Female
Spouse
Born: Kansas
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Pottawatomie-County, Kansas |
| Surname | Cook |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Belvue City |
| 1935 Residence (County) | Pottawatomie |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Township / Ward | Belvue City |
| Est. Birth Year | ~1909 |
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 Lillian | Age | Birth yr |
|---|---|---|---|---|
| Fred Cook | Son | — | 12 | ~1928 |
| George Cook | Son | — | 9 | ~1931 |
| John Cook | Head | — | 40 | ~1900 |
| Alberta Cook | Daughter | — | 15 | ~1925 |
| Leroy Cook | Son | — | 13 | ~1927 |
| Wayne Cook | Son | — | 4 | ~1936 |
| Lillian Cook | Spouse | — | 31 | ~1909 |
| William Cook | Son | — | 16 | ~1924 |
Census Appearances
1930
Pottawatomie, Kansas
Other, age 26
Pottawatomie, Kansas · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Lillian A. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Kansas |
| Age at First Marriage | 19 |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Pottawatomie-County, Kansas
Spouse, age 31
Pottawatomie-County, Kansas · implied b. ~1909 — 8 household members
| Surname | Cook |
| Given Name | Lillian |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Kansas |
| 1935 Residence (City) | Belvue City |
| 1935 Residence (County) | Pottawatomie |
| Highest Grade | H 2 |
| 1935 Residence | Same house |
| 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 Lillian Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Lillian Cook
Spouse · 1940 · age 31 · b. ~1909 · 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 — Pottawatomie-County, Kansas
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1940 US Federal Census — Pottawatomie-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01252-00008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Florence Carnahan | 44 | Lodger | Teacher | Kansas |
| 2 | John D. Cook | 40 | Head | Quarryman | Kansas |
| 3 | Lillian Cook THIS PERSON | 31 | Wife | — | Kansas |
| 4 | William Cook | 16 | Son | — | Kansas |
| 5 | Alberta Cook | 15 | Daughter | — | Kansas |
| 6 | Leroy Cook | 13 | Son | — | Kansas |
| 7 | Fred Cook | 12 | Son | — | Kansas |
| 8 | George Clayton Cook | 9 | Son | — | Kansas |
| 9 | Wayne Cook | 4 | Son | — | Kansas |
| 10 | Peter Young | 57 | Head | Farmer | Kansas |
| 11 | Pearl Young | 45 | Wife | — | Kansas |
| 12 | Patricia Young | 11 | Daughter | — | Kansas |
| 13 | Carl B. Carter | 46 | Head | Quarryman | Iowa |
| 14 | Amelia Carter | 50 | Wife | — | Iowa |
| 15 | Leland Townsend | 46 | Head | 31 | Kansas |
| 16 | Grace Townsend | 39 | Wife | — | Kansas |
| 17 | Louis Townsend | 17 | Son | 0 | Kansas |
| 18 | Maxine Townsend | 12 | Daughter | — | Kansas |
| 19 | Jean Townsend | 8 | Daughter | — | Kansas |
| 20 | Jackie Lee Townsend | 3 | Son | — | Kansas |
| 21 | Lawrence Townsend | 0 | Son | — | Kansas |
| 22 | Lloyd Lippincott | 34 | Head | Retailer | Kansas |
| 23 | Lela Lippincott | 33 | Wife | — | Kansas |
| 24 | Lola Jean Lippincott | 12 | Daughter | — | Kansas |
| 25 | Marilyn Lippincott | 8 | Daughter | — | Kansas |
| 26 | Eugene Noonan | 46 | Head | Attendant | Kansas |
| 27 | Catherine Noonan | 42 | Wife | — | Kansas |
| 28 | John Noonan | 18 | Son | — | Kansas |
| 29 | Kathryn Noonan | 16 | Daughter | — | Kansas |
| 30 | Frank Noonan | 14 | Son | — | Kansas |
| 31 | Jean Noonan | 12 | Daughter | — | Kansas |
| 32 | Mary Margaret Noonan | 10 | Daughter | — | Kansas |
| 33 | Barbara Ann Noonan | 8 | Daughter | — | Kansas |
| 34 | Agnes Ann Noonan | 7 | Daughter | — | Kansas |
| 35 | Jeanette Noonan | 4 | Daughter | — | Kansas |
| 36 | Frank Weeks | 56 | Head | Postmaster | Kansas |
| 37 | Rose Weeks | 56 | Wife | Mail Carrier | Kansas |
| 38 | Elmer Weeks | 26 | Son | Brakeman | Kansas |
| 39 | Leona Weeks | 20 | Daughter | Waitress | Kansas |
| 40 | Elwood Weeks | 15 | Son | — | 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)