Mary Cook — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Wayne-County, Michigan

Our Model Tree links this Mary Cook across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1872), then head of a 4-person household.

Age 68 b. ~1872 Female Spouse Born: Scotland Married

1940 Census Record Details

Census Year	1940
Location	Wayne-County, Michigan
Surname	Cook
Given Name	Mary Ann
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	68
Marital Status	Married
Birthplace	Scotland
1935 Residence (City)	Detroit
1935 Residence (County)	Wayne
Naturalization Status	Naturalized
Additional Details
Industry	0
Highest Grade	G 7
1935 Residence	Same Place
Birth Country	Scotland
Birthplace (normalized)	scotland
Township / Ward	Detroit
Est. Birth Year	~1872

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
Stewart Cook	Head	—	68	~1872
Frank Cook	Son	—	41	~1899
Stewart Cook	Son	—	32	~1908
Mary Cook	Spouse	—	68	~1872

Census Appearances

1920

Wayne, Michigan

Spouse, age 49

Wayne, Michigan · implied b. ~1871 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Margaret
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	49
Marital Status	Married
Birthplace	Scotland
Year of Immigration	1916
Naturalization Status	Alien
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Scotch
Birth Country	Scotland
Birthplace (normalized)	scotland

1930

Wayne, Michigan

Other, age 59

Wayne, Michigan · implied b. ~1871 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Margaret M
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	59
Marital Status	Married
Birthplace	Scotland
Naturalization Status	First papers filed
Year of Immigration	1923
Age at First Marriage	26
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Occupation	none
Can Read/Write	Yes
Mother Tongue	English
Birth Country	Scotland
Birthplace (normalized)	scotland

1940

Wayne-County, Michigan

Spouse, age 68

Wayne-County, Michigan · implied b. ~1872 — 4 household members

Surname	Cook
Given Name	Mary Ann
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	68
Marital Status	Married
Birthplace	Scotland
1935 Residence (City)	Detroit
1935 Residence (County)	Wayne
Naturalization Status	Naturalized
Industry	0
Highest Grade	G 7
1935 Residence	Same Place
Birth Country	Scotland
Birthplace (normalized)	scotland

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 68 · b. ~1872 · Michigan

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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 — Wayne-County, Michigan Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01875-01016)

Line	Name	Age	Relation	Occupation	Birthplace
1	James L Gould	8	Son	—	Michigan
2	Della M Gould	48	Mother	Proprietor	Canada-Eng
3	This Ends Gould	104	Block	—	Block No 11
4	Edward Orosko	25	Head	Truck Driver	Michigan
5	Eleanor Orosko	24	Wife	Saleslady	Michigan
6	Valentine Callison	63	Lodger	Bricklayer	England
7	Frank Orosko	48	Head	Salesman	Michigan
8	Anastasia Orosko	47	Wife	—	Michigan
9	Pauline Peszko	78	Mother	—	Poland
10	Emily Rhon	55	Lodger	Nurse	New York
11	William Dunker	42	Head	Conductor	Ohio
12	Erma Dunker	41	Wife	—	Ohio
13	Lila Dunker	22	Daughter	—	Ohio
14	Stewart Cook	68	Head	Machinist	Scotland
15	Mary Ann Cook THIS PERSON	68	Wife	—	Scotland
16	Frank Cook	41	Son	Machinist	Scotland
17	Stewart Jr Cook	32	Son	Glassier	Scotland
18	David Muir	47	Head	Attendant	Scotland
19	Christina Muir	49	Wife	—	Scotland
20	David Jr Muir	26	Son	Machinist	Scotland
21	John Muir	23	Son	Laborer	Scotland
22	Christina Muir	21	Daughter	—	Scotland
23	Roy Muir	19	Son	Laborer	Scotland
24	Allen Muir	13	Son	—	Scotland
25	John Goodfellow	41	Head	Accountant	Scotland
26	Jessie Goodfellow	38	Wife	—	Scotland
27	Ronald Goodfellow	10	Son	—	Michigan
28	John Vickers	48	Head	Machinist	Scotland
29	Wilhelmina Vickers	54	Wife	—	Scotland
30	Raymond Hayes	45	Head	Mechanic	Kansas
31	Helen Hayes	36	Wife	—	Michigan
32	Doris Hayes	8	Daughter	—	Michigan
33	Raymond Jr Hayes	4	Son	—	Michigan
34	Clifford Bellonie	22	Head	Electrician	Michigan
35	Shirley Bellonie	21	Wife	—	Michigan
36	Robert Bellonie	2	Son	—	Michigan
37	Robert Bellonie	0	Son	—	Michigan
38	Glenn Fraley	35	Head	Office Clerk	Michigan
39	Henrietta Fraley	33	Wife	—	Michigan
40	Delores Fraley	15	Daughter	—	Michigan

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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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