Mary Cook — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Mahoning-County, Ohio

Our Model Tree links this Mary Cook across the 1920, 1930 and 1940 US Censuses in Mahoning-County, Ohio (XGBoost, ~Confirmed) — first a spouse (b.~1897), then head of a 7-person household.

Age 43 b. ~1897 Female Spouse Born: Italy Married

1940 Census Record Details

Census Year	1940
Location	Mahoning-County, Ohio
Surname	Cook
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Italy
1935 Residence (City)	Youngstown
1935 Residence (County)	Mahoning
Naturalization Status	Naturalized
Additional Details
Class of Worker	0
Highest Grade	No 8
1935 Residence	Same house
Birth Country	Italy
Birthplace (normalized)	italy
Township / Ward	Youngstown
Est. Birth Year	~1897

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Adeline Cook	Daughter	—	23	~1917
Rose Cook	Daughter	—	18	~1922
Theresa Cook	Daughter	—	21	~1919
Anthony Cook	Head	—	44	~1896
Albert Cook	Son	—	13	~1927
Anthony Cook	Son	—	17	~1923
Mary Cook	Spouse	—	43	~1897

Census Appearances

1920

Mahoning, Ohio

Spouse, age 23

Mahoning, Ohio · implied b. ~1897 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	23
Marital Status	Married
Birthplace	Italy
Year of Immigration	1900
Naturalization Status	Naturalized
Father's Birthplace	Italy
Mother's Birthplace	Italy
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Italian
Birth Country	Italy
Birthplace (normalized)	italy

1930

Mahoning, Ohio

Spouse, age 33

Mahoning, Ohio · implied b. ~1897 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Italy
Naturalization Status	Naturalized
Year of Immigration	1900
Age at First Marriage	17
Father's Birthplace	Italy
Mother's Birthplace	Italy
Can Read/Write	Yes
Mother Tongue	Italian
Birth Country	Italy
Birthplace (normalized)	italy

1940

Mahoning-County, Ohio

Spouse, age 43

Mahoning-County, Ohio · implied b. ~1897 — 7 household members

Surname	Cook
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	43
Marital Status	Married
Birthplace	Italy
1935 Residence (City)	Youngstown
1935 Residence (County)	Mahoning
Naturalization Status	Naturalized
Class of Worker	0
Highest Grade	No 8
1935 Residence	Same house
Birth Country	Italy
Birthplace (normalized)	italy

Model Tree

Linked across censuses

Our Model Tree links Mary 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

Mary Cook

Spouse · 1940 · age 43 · b. ~1897 · 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 — Mahoning-County, Ohio Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-03267-00496)

Line	Name	Age	Relation	Occupation	Birthplace
1	Roland Harris	35	Lodger	Heater Helper	South Carolina
2	Evangeline Morris	28	Lodger	Dresser	North Carolina
3	John J. Walsh	69	Head	Oiler	Irish Free State
4	Katherine Rowan	78	Sister-in-law	—	Ohio
5	William Morgano	40	Head	Hot Welder	Italy
6	Lucia Morgano	36	Wife	—	Italy
7	Robert Morgano	3	Son	—	Ohio
8	Richard Morgano	2	Son	—	Ohio
9	Carl Perno	35	Head	Hand-Grinder	Ohio
10	Mary Jane Perno	33	Wife	Bulker	Ohio
11	Frank Mineo	31	Head	Manager	New York
12	Angela Mineo	31	Wife	Retail Sales Clerk	Ohio
13	Donald Mineo	4	Son	—	Ohio
14	Josephine Gaetano	55	Head	—	Italy
15	Francis Gaetano	27	Son	Shipper	Ohio
16	Arthur Gaetano	24	Son	Press Operator	Ohio
17	Paul Gaetano	22	Son	Structural Iron Worker	Ohio
18	Donald Gaetano	20	Son	Watchman	Ohio
19	Rosemary Gaetano	18	Daughter	—	Ohio
20	Henry Gaetano	29	Head	Proprietor	Ohio
21	Sadie Gaetano	27	Wife	—	Ohio
22	Anthony Gaetano	2	Son	—	Ohio
23	Anthony Cook	44	Head	Oiler Engineer	Italy
24	Mary Cook THIS PERSON	43	Wife	—	Italy
25	Adeline Cook	23	Daughter	Clerical Work	Ohio
26	Theresa Cook	21	Daughter	Retail Clerk	Ohio
27	Rose Cook	18	Daughter	—	Ohio
28	Anthony Jr. Cook	17	Son	—	Ohio
29	Albert Cook	13	Son	—	Ohio
30	John Peacock	38	Head	Laborer	Italy
31	Rose Peacock	33	Wife	—	Ohio
32	Annamay Peacock	15	Daughter	—	Ohio
33	Eglie Skores	37	Head	Plasterer	Ohio
34	Lillian Skores	36	Wife	—	Ohio
35	Dorothy Skores	13	Daughter	—	Ohio
36	Ruby Skores	10	Daughter	—	Ohio
37	Jacqueline Skores	8	Daughter	—	Ohio
38	Rocco Lombardo	30	Head	Blacksmith Helper	Ohio
39	Elizabeth Lombardo	26	Wife	—	New York
40	Delores Lombardo	9	Daughter	—	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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