John Novak — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Cuyahoga-County, Ohio

Our Model Tree links this John Novak across the 1920, 1930 and 1940 US Censuses in Cuyahoga-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1902), then head of a 3-person household.

Age 38 b. ~1902 Male Head Born: Jugoslavia Married

1940 Census Record Details

Census Year	1940
Location	Cuyahoga-County, Ohio
Surname	Novak
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Jugoslavia
1935 Residence (City)	Cleveland City
1935 Residence (County)	Cuyahoga
Naturalization Status	Naturalized
Additional Details
Occupation	Machinist
Industry	Gear Manufacture
Class of Worker	PW
Hours Worked	45
Income (1939)	1500
Highest Grade	No 6
1935 Residence	Same Place
Birthplace (normalized)	jugoslavia
Occupation	Machinist
Township / Ward	Cleveland City
Est. Birth Year	~1902

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 John	Age	Birth yr
Mary Novak	Spouse	—	32	~1908
Dolores Novak	Daughter	—	8	~1932
John Novak	Head	—	38	~1902

Census Appearances

1920

Cuyahoga, Ohio

Other, age 25

Cuyahoga, Ohio · implied b. ~1895 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Novak
Given Name	John
Relationship to Head	boarder
Sex	M
Color / Race	White
Age	25
Marital Status	Single
Birthplace	Jugoslavia
Year of Immigration	1914
Naturalization Status	Alien
Father's Birthplace	Jugoslavia
Mother's Birthplace	Jugoslavia
Occupation	Machinist helper
Industry	Rail Road
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	Slovenian
Birthplace (normalized)	jugoslavia

1930

Cuyahoga, Ohio

Other, age 33

Cuyahoga, Ohio · implied b. ~1897 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Novak
Given Name	John
Relationship to Head	Son-in-law
Sex	M
Color / Race	White
Age	33
Marital Status	Married
Birthplace	Jugoslavia
Naturalization Status	Alien
Year of Immigration	1914
Age at First Marriage	28
Father's Birthplace	Jugoslavia
Mother's Birthplace	Jugoslavia
Occupation	Truck driver
Industry	Baking
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	Slovenian
Birthplace (normalized)	jugoslavia

1940

Cuyahoga-County, Ohio

Head, age 38

Cuyahoga-County, Ohio · implied b. ~1902 — 3 household members

Surname	Novak
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Jugoslavia
1935 Residence (City)	Cleveland City
1935 Residence (County)	Cuyahoga
Naturalization Status	Naturalized
Occupation	Machinist
Industry	Gear Manufacture
Class of Worker	PW
Hours Worked	45
Income (1939)	1500
Highest Grade	No 6
1935 Residence	Same Place
Birthplace (normalized)	jugoslavia

Model Tree

Linked across censuses

Our Model Tree links John Novak across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

John Novak

Head · 1940 · age 38 · b. ~1902 · Ohio

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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 — Cuyahoga-County, Ohio Open full size

Page Contents

37 people indexed on this census page (nara:1940:m-t0627-03237-00489)

Line	Name	Age	Relation	Occupation	Birthplace
41	Mary Balice	11	Daughter	—	Pennsylvania
42	Dominic Paccariello	31	Head	Laborer	Ohio
43	Theresa Paccariello	25	Wife	—	Ohio
44	Donald Paccariello	5	Son	—	Ohio
45	John Olah	28	Head	Laborer	Ohio
46	Grace Olah	22	Wife	—	Pennsylvania
47	Gabriel Piskoran	55	Head	Elevator Operator	Austria
48	Anna Piskoran	49	Wife	—	Roumania
49	Alamasio Piskoran	19	Son	Pin Boy	Ohio
50	Gabriel Piskoran	19	Son	Painter	Ohio
51	Elma Piskoran	21	Daughter-in-law	—	Arizona
52	William Piskoran	0	Grandson	—	Ohio
53	Thomas Piscoran	23	Lodger	—	Ohio
54	John Novak THIS PERSON	38	Head	Machinist	Jugoslavia
55	Mary Novak	32	Wife	Dipper	Jugoslavia
56	Dolores Novak	8	Daughter	—	Ohio
57	Anton Sercel	45	Head	Hot Cleaner	Jugoslavia
58	Josephine Sercel	39	Wife	—	Jugoslavia
59	Josephine Sercel	18	Daughter	Sprayer	Ohio
60	Gabriella Sercel	17	Daughter	—	Ohio
61	Anna Sercel	15	Daughter	—	Ohio
62	Anthony Sercel	10	Son	—	Ohio
63	John Sercel	8	Son	—	Ohio
64	Rosemary Sercel	1	Daughter	—	Ohio
65	Daniel Picozzi	24	Head	Band Saw Operator	New Jersey
66	Sue Picozzi	26	Wife	—	Ohio
67	Louise Picozzi	3	Daughter	—	Ohio
68	Carl Scafe	22	Head	Machinist	Ohio
69	Christine Scafe	20	Wife	—	Pennsylvania
70	Anthony Scafe	2	Son	—	Ohio
71	Louise Scafe	0	Daughter	—	Ohio
72	Anthony Scafe	64	Father	Millwright	Italy
73	Anna Scafe	16	Sister	New Worker	Ohio
74	Dominic Scafe	14	Brother	—	Ohio
75	John Varraretti	28	Head	Plater	Pennsylvania
76	Mary Varraretti	29	Wife	—	Ohio
77	Joann Varraretti	2	Daughter	—	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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