HC
Hazel Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lucas-County, Ohio
Our Model Tree links this Hazel Cook across the 1930 and 1940 US Censuses in Lucas-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1903), then head of a 6-person household.
Age 37
b. ~1903
Female
Spouse
Born: Ohio
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lucas-County, Ohio |
| Surname | Cook |
| Given Name | Hazel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Toledo City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Hazel | Age | Birth yr |
|---|---|---|---|---|
| Virginia Austin | Daughter | — | 17 | ~1923 |
| Hazel Cook | Spouse | — | 37 | ~1903 |
| Fern Cook | Daughter | — | 7 | ~1933 |
| Charles Cook | Head | — | 42 | ~1898 |
| Edna Cook | Daughter | — | 14 | ~1926 |
| Jean Cook | Daughter | — | 10 | ~1930 |
Census Appearances
1930
Lucas, Ohio
Other, age 27
Lucas, Ohio · implied b. ~1903 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Hazel |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 15 |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Lucas-County, Ohio
Spouse, age 37
Lucas-County, Ohio · implied b. ~1903 — 6 household members
| Surname | Cook |
| Given Name | Hazel |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Ohio |
| 1935 Residence (City) | Toledo City |
| 1935 Residence (County) | Lucas |
| Class of Worker | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same House |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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
Spouse · 1940 · age 37 · b. ~1903 · Ohio
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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 — Lucas-County, Ohio
Open full size
1940 US Federal Census — Lucas-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03265-00252)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | James Evanoff | 43 | Head | Barber | Bulgaria |
| 2 | Irene Evanoff | 27 | Wife | Barber | Oregon |
| 3 | Rosemary Evanoff | 7 | Daughter | — | Ohio |
| 4 | Ruth Ann Evanoff | 2 | Daughter | — | Ohio |
| 5 | Peter Gazheff | 43 | Lodger | Laborer | Bulgaria |
| 6 | Levi Richardson | 65 | Head | Expeller Operator | New York |
| 7 | Blanche Richardson | 60 | Wife | — | Michigan |
| 8 | Marie Richardson | 35 | Daughter | — | Ohio |
| 9 | Charles Cook | 42 | Head | Brakeman | Ohio |
| 10 | Hazel Cook THIS PERSON | 37 | Wife | — | Ohio |
| 11 | Edna Cook | 14 | Daughter | — | Ohio |
| 12 | Jean Cook | 10 | Daughter | — | Ohio |
| 13 | Fern Cook | 7 | Daughter | — | Ohio |
| 14 | Virginia Austin | 17 | Daughter | Maid | Ohio |
| 15 | David J. Harney | 63 | Head | Bartender | Ohio |
| 16 | Edna L. Harney | 50 | Wife | — | Ohio |
| 17 | Druscilla Harney | 34 | Daughter | — | Ohio |
| 18 | Virginia Harney | 23 | Daughter | Stenographer | Ohio |
| 19 | David O. Harney | 20 | Son | Laborer | Ohio |
| 20 | Gloria Harney | 16 | Daughter | — | Ohio |
| 21 | Kenneth Donley | 36 | Head | Laborer | Ohio |
| 22 | Marie Donley | 36 | Wife | — | Germany |
| 23 | Mary Jane Donley | 15 | Daughter | — | Ohio |
| 24 | Arlene Donley | 13 | Daughter | — | Ohio |
| 25 | Roberta Donley | 12 | Daughter | — | Ohio |
| 26 | Richard Donley | 8 | Son | — | Ohio |
| 27 | Shirley Donley | 5 | Daughter | — | Ohio |
| 28 | Duane Donley | 1 | Son | — | Ohio |
| 29 | Nancy Donley | 0 | Daughter | — | Ohio |
| 30 | William T. Walters | 30 | Head | Automobile Salesman | Ohio |
| 31 | Helen Walters | 28 | Wife | — | Ohio |
| 32 | Helen Mae Walters | 5 | Daughter | — | Ohio |
| 33 | William Jr. Walters | 6 | Son | — | Ohio |
| 34 | Michael Tober | 62 | Head | Laborer | Germany |
| 35 | Caroline Tober | 60 | Wife | — | Germany |
| 36 | Evelyn Tober | 20 | Daughter | Stenography | Ohio |
| 37 | Fred Tober | 32 | Son | Laborer | Ohio |
| 38 | Jack Reany | 34 | Head | Still Operator | England |
| 39 | Mary Reany | 33 | Wife | — | New York |
| 40 | Maynard Hellman | 30 | Lodger | Machinist | Michigan |
Related Census Records
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)