MC
Margaret Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cheyenne-County, Kansas
Our Model Tree links this Margaret Cook across the 1930 and 1940 US Censuses in Cheyenne-County, Kansas (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 11-person household.
Age 17
b. ~1923
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cheyenne-County, Kansas |
| Surname | Cook |
| Given Name | Margaret O. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Cleveland Prec. Townships |
| 1935 Residence (County) | Cheyenne |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Cleveland Prec Townships |
| Est. Birth Year | ~1923 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Cook | Daughter | — | 17 | ~1923 |
| Mildred Cook | Daughter | — | 15 | ~1925 |
| Elizabeth Cook | Daughter | — | 24 | ~1916 |
| Marjorie Cook | Daughter | — | 15 | ~1925 |
| Alice Cook | Daughter | — | 13 | ~1927 |
| Lawson Cook | Head | — | 52 | ~1888 |
| Joseph Cook | Son | — | 21 | ~1919 |
| John Cook | Son | — | 19 | ~1921 |
| Duane Cook | Son | — | 9 | ~1931 |
| Thomas Cook | Son | — | 11 | ~1929 |
| Stacia Cook | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Cheyenne, Kansas
Daughter, age 7
Cheyenne, Kansas · implied b. ~1923 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Margaret J |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Kansas |
| Class of Worker | 7 |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Cheyenne-County, Kansas
Daughter, age 17
Cheyenne-County, Kansas · implied b. ~1923 — 11 household members
| Surname | Cook |
| Given Name | Margaret O. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Cleveland Prec. Townships |
| 1935 Residence (County) | Cheyenne |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Margaret Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Cook
Daughter · 1940 · age 17 · b. ~1923 · Kansas
★ You are viewing this record
Sibling
Elizabeth Cook
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Cook
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Cook
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Cook
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Cook
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Cook
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Duane Cook
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Cook
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cheyenne-County, Kansas
Open full size
1940 US Federal Census — Cheyenne-County, Kansas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01224-00079)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lawson J. Cook | 52 | Head | Farmer | Kansas |
| 2 | Stacia F. Cook | 50 | Wife | — | Kansas |
| 3 | Elizabeth M. Cook | 24 | Daughter | — | Colorado |
| 4 | Joseph L. Cook | 21 | Son | Farmer | Colorado |
| 5 | John T. Cook | 19 | Son | — | Colorado |
| 6 | Margaret O. Cook THIS PERSON | 17 | Daughter | — | Colorado |
| 7 | Marjorie M. Cook | 15 | Daughter | — | Kansas |
| 8 | Mildred M. Cook | 15 | Daughter | — | Kansas |
| 9 | Alice K. Cook | 13 | Daughter | — | Kansas |
| 10 | Thomas G. Cook | 11 | Son | — | Kansas |
| 11 | Duane J. Cook | 9 | Son | — | Kansas |
| 12 | Wm. Cook | 49 | Head | Farmer | Kansas |
| 13 | Ida Cook | 41 | Wife | Farm | Kansas |
| 14 | James O. Cook | 39 | Head | Farmer | Kansas |
| 15 | Viola Cook | 36 | Wife | — | New Jersey |
| 16 | Helen Cook | 16 | Daughter | — | Kansas |
| 17 | Clifton Cook | 13 | Son | — | Kansas |
| 18 | Ruth Cook | 12 | Daughter | — | Kansas |
| 19 | Kendall Cook | 10 | Son | — | Kansas |
| 20 | Jean Cook | 8 | Daughter | — | Kansas |
| 21 | Gayle Cook | 5 | Daughter | — | Kansas |
| 22 | Jack O. Ringo | 25 | Head | Farmer | Nebraska |
| 23 | Schener Davis | 24 | Wife | Farmer | Idaho |
| 24 | Helen Davis | 21 | Wife | — | Idaho |
| 25 | Daniel G. Rath | 64 | Head | Farmer | Kansas |
| 26 | Elmer Van Winkle | 72 | Hired Man | Farm Laborer | United States |
| 27 | J. A. Mckee | 39 | Head | Farmer | Kansas |
| 28 | Anna Mckee | 36 | Wife | — | Kansas |
| 29 | J. Mckee | 17 | Son | — | Kansas |
| 30 | Jean Mckee | 9 | Daughter | — | Kansas |
| 31 | Edward Cook | 34 | Head | Farmer | Kansas |
| 32 | Isabella Cook | 34 | Wife | — | Kansas |
| 33 | Edward Eugene Cook | 4 | Son | — | Kansas |
| 34 | Francis Burchett | 34 | Head | Farmer | Kansas |
| 35 | Zella Burchett | 75 | Mother | — | Nebraska |
| 36 | Wm. Zimmerman | 68 | Head | Farmer | Nebraska |
| 37 | Hazel Zimmerman | 43 | Wife | — | Oregon |
| 38 | Willard Zimmerman | 21 | Son | Farmer | Kansas |
| 39 | Glea Zimmerman | 17 | Daughter | — | Kansas |
| 40 | Sam Sumner | 69 | Head | Farmer | Ohio |
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)