John Hanna — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Wayne-County, Michigan

Our Model Tree links this John Hanna across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 5-person household.

Age 22 b. ~1918 Male Son Born: Michigan Single

1940 Census Record Details

Census Year	1940
Location	Wayne-County, Michigan
Surname	Hanna
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	22
Marital Status	Single
Birthplace	Michigan
1935 Residence (City)	Birmingham
1935 Residence (County)	Oakland
Additional Details
Occupation	Messenger
Industry	Bank
Class of Worker	PW
Hours Worked	44
Income (1939)	0
Highest Grade	Hs 4
1935 Residence	Michigan
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan
Occupation	Messenger
Township / Ward	Detroit City
Est. Birth Year	~1918

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 John	Age	Birth yr
Bertha Hanna	Spouse	—	50	~1890
Isabelle Hanna	Daughter	—	13	~1927
John Hanna	Son	—	22	~1918
Robert Hanna	Son	—	15	~1925
John Hanna	Head	—	48	~1892

Census Appearances

1930

Wayne, Michigan

Son, age 12

Wayne, Michigan · implied b. ~1918 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hanna
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	12
Marital Status	Single
Birthplace	Michigan
Father's Birthplace	Michigan
Mother's Birthplace	Michigan
Can Read/Write	Yes
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

1940

Wayne-County, Michigan

Son, age 22

Wayne-County, Michigan · implied b. ~1918 — 5 household members

Surname	Hanna
Given Name	John
Relationship to Head	Son
Sex	M
Color / Race	White
Age	22
Marital Status	Single
Birthplace	Michigan
1935 Residence (City)	Birmingham
1935 Residence (County)	Oakland
Occupation	Messenger
Industry	Bank
Class of Worker	PW
Hours Worked	44
Income (1939)	0
Highest Grade	Hs 4
1935 Residence	Michigan
Birth State	Michigan
Birth Country	United States
Birthplace (normalized)	michigan

Model Tree

Linked across censuses

Our Model Tree links John Hanna across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

John Hanna

Son · 1940 · age 22 · b. ~1918 · Michigan

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Sibling

Isabelle Hanna

Sibling · 1940 · age 13

Source co-child of head (derived)

● Co-child · derived · ~0.88

Sibling

Robert Hanna

Sibling · 1940 · age 15

Source co-child of head (derived)

● Co-child · derived · ~0.88

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-t0627-01840-00320)

Line	Name	Age	Relation	Occupation	Birthplace
41	C. W. Gavy	64	Head	—	Michigan
42	Louise J. Gavy	24	Daughter	—	Michigan
43	Warren W. Gavy	22	Son	—	Michigan
44	Baldwin Norris	38	Head	Laborer	Ohio
45	Janette Norris	33	Wife	Teacher	Tennessee
46	Virginia Burgen	17	Sister-in-law	—	Michigan
47	Jay S. Culp	46	Head	Mechanical Engineer	Indiana
48	Blanche Culp	40	Wife	—	Ohio
49	Jean Culp	16	Daughter	—	Ohio
50	Carol Culp	11	Daughter	—	Michigan
51	Nancy Culp	8	Daughter	—	Michigan
52	Joseph Culp	5	Son	—	Michigan
53	Percival T. Wickens	32	Head	Hammer Man	Indiana
54	Mary Wickens	27	Wife	—	Pennsylvania
55	Catherine Wickens	62	Mother	—	Ohio
56	Michael Leitman	40	Head	Manager	Russia
57	Jenny Leitman	39	Wife	—	Minnesota
58	Jerome Leitman	20	Son	New Worker	Minnesota
59	John Malloy	36	Head	Service	Ireland
60	Margaret Malloy	31	Wife	—	Michigan
61	Harry Wojcownik	56	Head	Laborer	Poland
62	Emma Ellen Wojcownik	36	Wife	Elevator Clerk	Kentucky
63	Violet R. Wojcownik	15	Daughter	—	Ohio
64	Raymond Adair	44	Head	Sales Lady	Tennessee
65	Sidni Lovelace	23	Daughter	Professional Model	Michigan
66	Joseph F. Parrish	24	Head	Grinder	Tennessee
67	Vera Parrish	21	Wife	—	Tennessee
68	Traves A. Parrish	2	Daughter	—	Michigan
69	John Foster Hanna	48	Head	Watchman	Michigan
70	Bertha Hanna	50	Wife	—	Michigan
71	John Hanna THIS PERSON	22	Son	Messenger	Michigan
72	Robert Hanna	15	Son	—	Michigan
73	Isabelle Hanna	13	Daughter	—	Michigan
74	Nick Dokovich	26	Head	Wagon Boy	West Virginia
75	Ann Dokovich	22	Wife	—	Illinois
76	Julia Mitroka	18	Sister-in-law	Waitress	Illinois
77	Sam Cairns	36	Head	Mechanic	Canada
78	Nina M. Cairns	38	Wife	—	Michigan
79	Bonnie M. Cairns	8	Daughter	—	Michigan
80	Herbert M. Beck	43	Head	Laborer	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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