Mary Cooper — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Wayne-County, Michigan

Our Model Tree links this Mary Cooper across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a spouse (b.~1874), then head of a 5-person household.

Age 66 b. ~1874 Female Spouse Born: Michigan Married

1940 Census Record Details

Census Year	1940
Location	Wayne-County, Michigan
Surname	Cooper
Given Name	Mary A.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	66
Marital Status	Married
Birthplace	Michigan
1935 Residence (City)	DEARBORN CITY
1935 Residence (County)	WAYNE
Additional Details
Income (1939)	0
Highest Grade	No 7
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Township / Ward	Dearborn City
Est. Birth Year	~1874

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.

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

Name	Relation to head	Relative to Mary	Age	Birth yr
David Cooper	Head	—	72	~1868
Francis Cooper	Other	—	35	~1905
Marilyn Cooper	Other	—	8	~1932
Earle Cooper	Son	—	37	~1903
Mary Cooper	Spouse	—	66	~1874

Census Appearances

1920

Wayne, Michigan

Spouse, age 47

Wayne, Michigan · implied b. ~1873 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cooper
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Michigan
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1930

Wayne, Michigan

Other, age 57

Wayne, Michigan · implied b. ~1873 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cooper
Given Name	Mary
Relationship to Head	Wife-H
Sex	F
Color / Race	White
Age	57
Marital Status	Married
Birthplace	Michigan
Age at First Marriage	20
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Can Read/Write	Yes
Veteran	No
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

Wayne-County, Michigan

Spouse, age 66

Wayne-County, Michigan · implied b. ~1874 — 5 household members

Surname	Cooper
Given Name	Mary A.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	66
Marital Status	Married
Birthplace	Michigan
1935 Residence (City)	DEARBORN CITY
1935 Residence (County)	WAYNE
Income (1939)	0
Highest Grade	No 7
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Linked across censuses

Our Model Tree links Mary Cooper 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 Cooper

Spouse · 1940 · age 66 · b. ~1874 · 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-t0627-01826-00666)

Line	Name	Age	Relation	Occupation	Birthplace
1	Tony Krzywicki	53	Head	Sweeper	Poland
2	Josephine Krzywicki	52	Wife	—	Poland
3	Walter Krzywicki	13	Son	—	Michigan
4	Dana C. Manning	29	Head	Radio Engineer	Ohio
5	Anne E. Manning	26	Wife	—	W. Virginia
6	Gene Paul Manning	2	Son	—	Ohio
7	Rose Stellato	44	Head	—	Italy
8	Tony Stellato	19	Son	Section Laborer	Michigan
9	Carl J. Stellato	24	Son	Job Setter	Wisconsin
10	Virginia Stellato	29	In-law	—	Michigan
11	Rosalie V. Stellato	1	Granddaughter	—	Michigan
12	Veto Pacetti	24	Son-in-law	Switchman	Pennsylvania
13	Norma Pacetti	22	Daughter	—	Michigan
14	Richard Pacetti	2	Grandson	—	Michigan
15	Veto Jr. Pacetti	0	Grandson	—	Michigan
16	Michael Aceto	58	Lodger	Section Foreman	Italy
17	Dennis Kimberly	79	Head	Night Watchman	Michigan
18	Victoria M. Kimberly	70	Wife	—	Michigan
19	Leo W. Scholtz	37	Head	Press Operator	Michigan
20	Barbre Scholtz	35	Wife	—	Russia
21	Gloria M. Scholtz	7	Daughter	—	Michigan
22	Donald L. Scholtz	6	Son	—	Michigan
23	Robert H. Witt	37	Head	Stock Foreman	Michigan
24	Clara L. Witt	30	Wife	—	Michigan
25	Robert N. Witt	1	Son	—	Michigan
26	David F. Cooper	72	Head	Gear Inspector	Canada
27	Mary A. Cooper THIS PERSON	66	Wife	—	Michigan
28	Earle A. Cooper	37	Son	Insurance Agent	New York
29	Francis Cooper	35	In-law	—	Michigan
30	Marilyn Cooper	8	Granddaughter	—	Michigan
31	Edward Fawel	25	Head	Tool Grinder	Michigan
32	Olga Fawel	23	Wife	—	Michigan
33	Barbre Fawel	1	Daughter	—	Michigan
34	Fred C. Rice	45	Head	Tool Grinder	Oregon
35	Gladys Rice	38	Wife	—	Michigan
36	Edwin M. Rice	15	Son	—	Michigan
37	William E. Rice	13	Son	—	Michigan
38	Grant R. Rice	5	Son	—	Michigan
39	David A. Rice	2	Son	—	Michigan
40	James Lewis	25	Lodger	Brush Salesman	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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