HC
Hazel Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Harrison-County, Missouri
Our Model Tree links this Hazel Cook across the 1930 and 1940 US Censuses in Harrison-County, Missouri (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 10-person household.
Age 18
b. ~1922
Female
Daughter
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Harrison-County, Missouri |
| Surname | Cook |
| Given Name | Hazel |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Harrison |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Township / Ward | Colfax Township |
| Est. Birth Year | ~1922 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Hazel | Age | Birth yr |
|---|---|---|---|---|
| Hazel Cook | Daughter | — | 18 | ~1922 |
| Andy Cook | Son | — | 6 | ~1934 |
| Nadine Cook | Daughter | — | 11 | ~1929 |
| Jerry Cook | Son | — | 3 | ~1937 |
| Nannie Cook | Spouse | — | 41 | ~1899 |
| Richard Cook | Son | — | 16 | ~1924 |
| James Cook | Son | — | 10 | ~1930 |
| L Cook | Head | — | 44 | ~1896 |
| Mary Cook | Daughter | — | 7 | ~1933 |
| Robert Cook | Son | — | 13 | ~1927 |
Census Appearances
1930
Harrison, Missouri
Daughter, age 8
Harrison, Missouri · implied b. ~1922 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Hazel S. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Harrison-County, Missouri
Daughter, age 18
Harrison-County, Missouri · implied b. ~1922 — 10 household members
| Surname | Cook |
| Given Name | Hazel |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Harrison |
| Income (1939) | 0 |
| Highest Grade | Hs 2 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Hazel Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Hazel Cook
Daughter · 1940 · age 18 · b. ~1922 · Missouri
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Sibling
Richard Cook
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Andy Cook
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cook
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cook
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Cook
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jerry Cook
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Nadine Cook
Sibling · 1940 · age 11
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 — Harrison-County, Missouri
Open full size
1940 US Federal Census — Harrison-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02110-00638)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Creta Moore | 6 | daughter | — | Missouri |
| 42 | Mary Lee Moore | 2 | daughter | — | Missouri |
| 43 | Nettie D. Moore | 0 | daughter | — | Missouri |
| 44 | Robert B. Allen | 29 | Head | Farmer | Kansas |
| 45 | Clara Allen | 23 | Wife | — | Missouri |
| 46 | Shirley Allen | 4 | daughter | — | Missouri |
| 47 | Robert Son Allen | 3 | son | — | Missouri |
| 48 | Don Allen | 2 | son | — | Missouri |
| 49 | Carol Allen | 0 | daughter | — | Missouri |
| 50 | Jess O. Easter | 35 | Head | Farmer | Missouri |
| 51 | Belva Easter | 31 | Wife | — | Iowa |
| 52 | Fred O. Alley | 52 | Head | Farmer | Iowa |
| 53 | Lola Alley | 42 | Wife | — | Iowa |
| 54 | Francis Alley | 19 | daughter | — | Iowa |
| 55 | Fred Jr. Alley | 5 | son | — | Iowa |
| 56 | L. M. Cook | 44 | Head | Farmer | Missouri |
| 57 | Nannie Cook | 41 | Wife | — | Missouri |
| 58 | Hazel Cook THIS PERSON | 18 | daughter | — | Missouri |
| 59 | Richard Cook | 16 | son | — | Missouri |
| 60 | Robert Cook | 13 | son | — | Missouri |
| 61 | Nadine Cook | 11 | daughter | — | Missouri |
| 62 | James Cook | 10 | son | — | Missouri |
| 63 | Mary Lou Cook | 7 | daughter | — | Missouri |
| 64 | Andy Cook | 6 | son | — | Missouri |
| 65 | Jerry Todd Cook | 3 | son | — | Missouri |
| 66 | Howard German | 29 | Head | Farm Laborer | Missouri |
| 67 | Roberta German | 24 | Wife | — | Missouri |
| 68 | Willie German | 2 | son | — | Missouri |
| 69 | Howard Campbell | 58 | Head | Farmer | Illinois |
| 70 | Carrie Campbell | 49 | Wife | — | South Dakota |
| 71 | Carl Shain | 35 | Head | Farmer | Missouri |
| 72 | Maxine Shain | 32 | Wife | — | Missouri |
| 73 | Velma Jean Shain | 14 | daughter | — | Missouri |
| 74 | Willa Lee Shain | 10 | daughter | — | Missouri |
| 75 | Katherine Shain | 4 | daughter | — | Missouri |
| 76 | Roy C. Sweeten | 46 | Head | Farmer | Missouri |
| 77 | Clara Sweeten | 47 | Wife | — | Missouri |
| 78 | Clifton Smith | 33 | Head | Farmer | Missouri |
| 79 | Eva Smith | 35 | Wife | — | Illinois |
| 80 | Dixie Smith | 6 | daughter | — | Missouri |
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)