Mary Dunn — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Genesee-County, Michigan

Our Model Tree links this Mary Dunn across the 1920, 1930 and 1940 US Censuses in Genesee-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1875), then head of a 3-person household.

Age 65 b. ~1875 Female Head Born: Michigan Widowed

1940 Census Record Details

Census Year	1940
Location	Genesee-County, Michigan
Surname	Dunn
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	65
Marital Status	Widowed
Birthplace	Michigan
1935 Residence (City)	Grand Blanc
1935 Residence (County)	Genesee
Additional Details
Class of Worker	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Township / Ward	Grand Blanc
Est. Birth Year	~1875

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
Mary Dunn	Head	—	65	~1875
James Dunn	Son	—	28	~1912
George Dunn	Son	—	31	~1909

Census Appearances

1920

Genesee, Michigan

Spouse, age 44

Genesee, Michigan · implied b. ~1876 — 7 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Dunn
Given Name	Mary E
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Michigan
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Eng
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1930

Genesee, Michigan

Spouse, age 55

Genesee, Michigan · implied b. ~1875 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Dunn
Given Name	Mary E.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	55
Marital Status	Married
Birthplace	Michigan
Age at First Marriage	33
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Can Read/Write	Yes
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

Genesee-County, Michigan

Head, age 65

Genesee-County, Michigan · implied b. ~1875 — 3 household members

Surname	Dunn
Given Name	Mary
Relationship to Head	Head
Sex	F
Color / Race	White
Age	65
Marital Status	Widowed
Birthplace	Michigan
1935 Residence (City)	Grand Blanc
1935 Residence (County)	Genesee
Class of Worker	0
Highest Grade	No 8
1935 Residence	Same place
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Linked across censuses

Our Model Tree links Mary Dunn 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 Dunn

Head · 1940 · age 65 · b. ~1875 · 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 — Genesee-County, Michigan Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-01750-00343)

Line	Name	Age	Relation	Occupation	Birthplace
41	Richard Zykere	9	Lodger	—	Michigan
42	Milton Zykere	7	Lodger	—	Michigan
43	Ruth Bandeen	23	Lodger	Teacher	Michigan
44	Henry Wilmers	26	Lodger	Teacher	Michigan
45	Frank Cheney	72	Head	—	Michigan
46	Jenny Cheney	63	Wife	—	Nebraska
47	Joseph Stewart	31	Head	Final Assembly	Michigan
48	Vera Stewart	33	Wife	Beautician	Ohio
49	Ross Pickett	30	Head	Supervisor	Michigan
50	Mary Pickett	29	Wife	Teacher	Michigan
51	Joseph Rosedahl	37	Head	Sawyer	Minnesota
52	Agnes Rosedahl	37	Wife	—	Minnesota
53	Joel Rosedahl	9	Son	—	Michigan
54	Sharron Rosedahl	5	Daughter	—	Michigan
55	Arlo Davis	39	Head	Senior Interviewer	Michigan
56	Orpha Davis	39	Wife	—	Michigan
57	James Davis	15	Son	—	Michigan
58	Patricia Davis	13	Daughter	—	Michigan
59	George Davis	1	Son	—	Michigan
60	Mary Dunn THIS PERSON	65	Head	—	Michigan
61	George Dunn	31	Son	Clerk	Michigan
62	James Alexander Dunn	28	Son	Cutter	Michigan
63	Anthony Brendle	40	Head	Superintendent	New York
64	Evelyn Brendle	35	Wife	—	Michigan
65	Mattie Lou Brendle	14	Daughter	—	Michigan
66	William John Brendle	7	Son	—	Michigan
67	Fanny Bartlett	64	Mother-in-law	—	New York
68	Joseph Hosner	39	Head	Professional Golfer	Pennsylvania
69	Beatrice Hosner	38	Wife	—	New York
70	Christ Christiansen	36	Head	Tool Grinder	Denmark
71	Eva Christiansen	33	Wife	—	Michigan
72	Keitha Christiansen	11	Daughter	—	Michigan
73	William Christiansen	9	Son	—	Michigan
74	Albert Eick	31	Head	Tool And Dye Maker	Michigan
75	Mildred Eick	26	Wife	—	Michigan
76	Alvin Eick	6	Son	—	Michigan
77	Barbara Eick	4	Daughter	—	Michigan
78	Arnold Eick	2	Son	—	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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