Mary Armstrong — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Wayne-County, Michigan

Our Model Tree links this Mary Armstrong across the 1920, 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed), with identified parents Harrison — first a spouse (b.~1880), then head of a 3-person household.

Age 60 b. ~1880 Female Spouse Born: Michigan Married

1940 Census Record Details

Census Year	1940
Location	Wayne-County, Michigan
Surname	Armstrong
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Michigan
1935 Residence (City)	Detroit city
1935 Residence (County)	Wayne
Additional Details
Income (1939)	0
Highest Grade	No 5
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Township / Ward	Detroit City
Est. Birth Year	~1880

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 Mary	Age	Birth yr
Margaret Armstrong	Daughter	—	25	~1915
John Armstrong	Head	—	65	~1875
Mary Armstrong	Spouse	—	60	~1880

Census Appearances

1920

Wayne, Michigan

Daughter, age 39

Wayne, Michigan · implied b. ~1881 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Armstrong
Given Name	Mae U.
Relationship to Head	Daughter
Sex	F
Color / Race	White
Age	39
Marital Status	Single
Birthplace	Michigan
Father's Birthplace	Canada
Mother's Birthplace	Michigan
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 49

Wayne, Michigan · implied b. ~1881 — 29 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Armstrong
Given Name	Mae A
Relationship to Head	roomer
Sex	F
Color / Race	White
Age	49
Marital Status	Single
Birthplace	Michigan
Father's Birthplace	Michigan
Mother's Birthplace	Michigan
Occupation	none
Can Read/Write	Yes
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

Wayne-County, Michigan

Spouse, age 60

Wayne-County, Michigan · implied b. ~1880 — 3 household members

Surname	Armstrong
Given Name	Mary
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Michigan
1935 Residence (City)	Detroit city
1935 Residence (County)	Wayne
Income (1939)	0
Highest Grade	No 5
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Model Tree available

Our Model Tree links Mary Armstrong across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Harrison Armstrong (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.

Show:

Gen 1 Parents confidence ≈ 0.92

Father

Harrison Armstrong

b. ~1860

Source father

● Household · direct · ~0.92

This person

Anchor record

Mary Armstrong

Spouse · 1940 · age 60 · b. ~1880 · Michigan

★ You are viewing this record

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

38 people indexed on this census page (nara:1940:m-t0627-01888-00089)

Line	Name	Age	Relation	Occupation	Birthplace
1	William Jackson	56	Head	Engineer	England
2	Olive Jackson	57	Wife	—	England
3	Zelmon Staslin	43	Head	Housekeeper	Latavia
4	Vera Staslin	21	Daughter	Secretary	Michigan
5	Betty Staslin	15	Daughter	—	Michigan
6	Mildred Staslin	13	Daughter	—	Michigan
7	Evelyn Staslin	11	Daughter	—	Michigan
8	Leonard Dyer	40	Head	Maintainer	Michigan
9	Audrey Dyer	35	Wife	—	Michigan
10	Elizabeth Dyer	15	Daughter	—	Michigan
11	Verda Dyer	12	Daughter	—	Michigan
12	Joan Dyer	11	Daughter	—	Michigan
13	Jacquelin Dyer	10	Daughter	—	Michigan
14	Leonard Dyer	5	Son	—	Michigan
15	Crystal Dyer	3	Daughter	—	Michigan
17	Emiel Frosen	60	Head	Foreman	Michigan
18	Milton Frosen	19	Son	Helper	Michigan
19	James Frosen	15	Son	—	Michigan
20	Richard Frosen	12	Son	—	Michigan
21	Marie Grisson	64	Head	—	Germany
22	Perry Otis	74	Lodger	—	Michigan
23	John Armstrong	65	Head	Caretaker	Michigan
24	Mary Armstrong THIS PERSON	60	Wife	—	Michigan
25	Margaret Armstrong	25	Daughter	Wrapper	Michigan
26	Allen Lloyd	52	Head	Laborer	England
27	Emily Lloyd	52	Wife	—	England
28	Edith Lloyd	25	Daughter	Machine Hand	England
29	John J. Jackson	58	Head	Stock Chaser	England
30	Lucy Jackson	53	Wife	—	England
31	Fred Hoffman	33	Head	Machinist	Michigan
32	Edith Hoffman	27	Wife	—	Michigan
33	Marlene Hoffman	5	Daughter	—	Michigan
34	Frank P. Borsch	56	Head	Maintainer	Illinois
35	Rose Borsch	57	Wife	—	Illinois
36	Wilma Borsch	20	Daughter	Typist	Illinois
37	Cyrus Sensenberger	25	Lodger	Truck Driver	Pennsylvania
39	Walter Herndon	32	Head	Mech Engineer	Washington
40	Nettie Herndon	27	Wife	—	Michigan

Search for Mary Armstrong

All Mary Armstrong Census Records Discover Armstrong Family Tree

Pedigree Summary

Mary

Gen 1 · 1 parents ~0.92

Max depth 4 (1900–1950 window)

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)

Report inaccurate data