Hazel Cook — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Hamilton-County, Ohio

Our Model Tree links this Hazel Cook across the 1920, 1930 and 1940 US Censuses in Hamilton-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 3-person household.

Age 47 b. ~1893 Female Spouse Born: Indiana Married

1940 Census Record Details

Census Year	1940
Location	Hamilton-County, Ohio
Surname	Cook
Given Name	Hazel
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Cincinnati
1935 Residence (County)	Hamilton
Additional Details
Highest Grade	No 8
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana
Township / Ward	Cincinnati
Est. Birth Year	~1893

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.

3 people recorded at the same address in the 1940 census.

Name	Relation to head	Relative to Hazel	Age	Birth yr
Evelyn Cook	Daughter	—	20	~1920
William Cook	Head	—	49	~1891
Hazel Cook	Spouse	—	47	~1893

Census Appearances

1920

Hamilton, Ohio

Spouse, age 26

Hamilton, Ohio · implied b. ~1894 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Hazel
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	26
Marital Status	Married
Birthplace	Indiana
Father's Birthplace	Ohio
Mother's Birthplace	Indiana
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1930

Hamilton, Ohio

Spouse, age 37

Hamilton, Ohio · implied b. ~1893 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Hazel
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	37
Marital Status	Married
Birthplace	Indiana
Age at First Marriage	25
Father's Birthplace	Indiana
Mother's Birthplace	Indiana
Occupation	Cook
Industry	Restaurant
Class of Worker	W
Can Read/Write	Yes
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

1940

Hamilton-County, Ohio

Spouse, age 47

Hamilton-County, Ohio · implied b. ~1893 — 3 household members

Surname	Cook
Given Name	Hazel
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Indiana
1935 Residence (City)	Cincinnati
1935 Residence (County)	Hamilton
Highest Grade	No 8
1935 Residence	Same place
Birth State	Indiana
Birth Country	United States
Birthplace (normalized)	indiana

Model Tree

Linked across censuses

Our Model Tree links Hazel Cook across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

Hazel Cook

Spouse · 1940 · age 47 · b. ~1893 · 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 — Hamilton-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03188-00250)

Line	Name	Age	Relation	Occupation	Birthplace
41	Cora Stewart	33	Daughter	Sales Lady	Ohio
42	August Watkins	55	Head	Maintenance	Russia
43	Charles Watkins	59	Brother	Presser	Russia
44	Frank Jr. Mc Crary	52	Head	Motorman	N. Carolina
45	Ruth Mc Crary	36	Wife	—	Tennessee
46	H. Sheldon Linser	27	Head	Truck Driver	Ohio
47	Nora Linser	24	Wife	—	Kentucky
48	Eleanor Powers	35	Head	School Teacher	Ohio
49	Elizabeth Bennett	42	Head	Dressmaker	Kentucky
50	William Sparrows	31	Head	Spotter	Kentucky
51	Mildred Sparrows	32	Wife	—	Kentucky
52	Herbert Morris	30	Head	Meat Cutter	Kentucky
53	Thelma Morris	28	Wife	—	Kentucky
54	John Lavin	44	Head	Rubber Worker	Ohio
55	Mabel Lavin	42	Wife	Laundry Worker	West Virginia
56	Elizabeth Smith	50	Head	Sewing	Ohio
57	Walter House	32	Head	Painter	Ohio
58	Bessie House	30	Wife	Telephone Opr	Kentucky
59	William Cook	49	Head	Huckster	Ohio
60	Hazel Cook THIS PERSON	47	Wife	—	Indiana
61	Evelyn Cook	20	Daughter	—	Ohio
62	Ernest G. Mehlman	53	Head	Nurse Aid	Kentucky
63	Marie Mehlman	36	Wife	Truck Driver	Ohio
64	Ernest M. Mehlman	16	Son	Janitress	Ohio
65	Thomas T. Mehlman	14	Son	—	Ohio
66	Hallie Weiss	44	Head	Stenographer	Ohio
67	Harry Slattery	41	Head	Fireman	Ohio
68	Emma Slattery	41	Wife	—	Ohio
69	Eva Altman	60	Head	—	Ohio
70	Frank Altman	22	Son	Clerk	Illinois
71	Emma Bayless	86	Aunt	—	Ohio
72	Harry E. Stout	45	Head	Platform Man	Ohio
73	Leona G. Stout	49	Wife	—	Ohio
74	David Turner	74	Father-in-law	—	Ohio
75	William Ziegler	51	Head	Truck Helper	Ohio
76	Dorothy Ziegler	20	Daughter	—	Ohio
77	William Castellini	49	Head	Owner Restaurant	Ohio
78	Marie A. Castellini	56	Wife	Owner Restaurant	Irish Free State
79	Albert Burkhardt	29	Head	Saloonkeeper	Ohio
80	Charles P. Ulmer	58	Head	Hardware	Ohio

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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)

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