John Mccann — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cook-County, Illinois

Our Model Tree links this John Mccann across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 6-person household.

Age 47 b. ~1893 Male Head Born: Scotland Married

1940 Census Record Details

Census Year	1940
Location	Cook-County, Illinois
Surname	McCann
Given Name	John J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Scotland
1935 Residence (City)	Chicago City
1935 Residence (County)	Cook
Naturalization Status	Naturalized
Additional Details
Occupation	Policeman
Industry	City
Class of Worker	PW
Hours Worked	48
Income (1939)	604
Highest Grade	Hs 4
1935 Residence	Same place
Birth Country	Scotland
Birthplace (normalized)	scotland
Occupation	Policeman
Township / Ward	Chicago City
Est. Birth Year	~1893

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Francis Mccann	Son	—	8	~1932
Janette Mccann	Spouse	—	42	~1898
George Mccann	Son	—	12	~1928
Janette Mccann	Daughter	—	14	~1926
John Mccann	Head	—	47	~1893
Jack Mccann	Son	—	13	~1927

Census Appearances

1930

Cook, Illinois

Head, age 37

Cook, Illinois · implied b. ~1893 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	McCann
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	37
Marital Status	Married
Birthplace	Scotland
Naturalization Status	Naturalized
Year of Immigration	1919
Age at First Marriage	32
Father's Birthplace	Scotland
Mother's Birthplace	Scotland
Occupation	Police officer
Industry	State
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	R
Home Value / Rent	50
Radio Set	R
Birth Country	Scotland
Birthplace (normalized)	scotland

1940

Cook-County, Illinois

Head, age 47

Cook-County, Illinois · implied b. ~1893 — 6 household members

Surname	McCann
Given Name	John J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	47
Marital Status	Married
Birthplace	Scotland
1935 Residence (City)	Chicago City
1935 Residence (County)	Cook
Naturalization Status	Naturalized
Occupation	Policeman
Industry	City
Class of Worker	PW
Hours Worked	48
Income (1939)	604
Highest Grade	Hs 4
1935 Residence	Same place
Birth Country	Scotland
Birthplace (normalized)	scotland

Model Tree

Linked across censuses

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

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This person

Anchor record

John Mccann

Head · 1940 · age 47 · b. ~1893 · Illinois

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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 — Cook-County, Illinois Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00939-00900)

Line	Name	Age	Relation	Occupation	Birthplace
41	Fannie Levin	40	Wife	Owner	Russia
42	Ruth Levin	17	Daughter	—	Illinois
43	Marion Levin	15	Daughter	—	Illinois
44	Milton Levin	11	Son	—	Illinois
45	Calvin A. Bohanon	54	Head	Operator	Illinois
46	Minnie P. Bohanon	61	Wife	—	Illinois
47	Frank S. Bohanon	34	Son	Laborer	Illinois
48	William E. Bohanon	30	Son	Watchman	Illinois
49	Loretta F. Bohanon	23	Daughter	Clerk	Illinois
50	John J. Mccann THIS PERSON	47	Head	Policeman	Scotland
51	Janette Mccann	42	Wife	—	Scotland
52	Janette M. Mccann	14	Daughter	—	Illinois
53	Jack F. Mccann	13	Son	—	Illinois
54	George L. Mccann	12	Son	—	Illinois
55	Francis Mccann	8	Son	—	Illinois
56	Harry H. Hoffmann	60	Head	Mechanic	Missouri
57	Claudia Hoffmann	47	Wife	—	Tennessee
58	Tony Basile	48	Head	Mechanic	Italy
59	Mamie Basile	45	Wife	—	Illinois
60	Joe A. Basile	25	Son	Laborer	Illinois
61	Francis Basile	14	Son	—	Illinois
62	Reginald Adduci	26	Lodger	Laborer	Illinois
63	Victor Gorny	29	Head	Clerk	Illinois
64	May M. Gorny	29	Wife	—	Illinois
65	Arlene M. Gorny	5	Daughter	—	Illinois
66	Richard V. Gorny	3	Son	—	Illinois
67	Barbara J. Gorny	1	Daughter	—	Illinois
68	Patsy H. Stewart	16	Daughter-in-law	—	Illinois
69	Livio Lorenzetti	40	Head	Business	Italy
70	Orelia Lorenzetti	32	Wife	Bookkeeper	Illinois
71	Carlo P. Lorenzetti	9	Son	—	Italy
72	James O. Keller	48	Head	Pressman	Canada
73	Margaret L. Keller	48	Wife	Housekeeper	Colorado
74	James H. Keller	19	Son	Check Boy	Washington
75	Ruth Keller	18	Daughter	—	Washington
76	James O. Jr. Keller	14	Son	—	Illinois
77	William Vasellio	46	Head	Manager	Greece
78	Georgia Vasellio	38	Wife	—	Greece
79	Bessie Vasellio	18	Daughter	—	Illinois
80	Sophie Vasellio	15	Daughter	—	Illinois

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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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