John Frederick — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Essex-County, New Jersey

Our Model Tree links this John Frederick across the 1930 and 1940 US Censuses in Essex-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1880), then head of a 7-person household.

Age 60 b. ~1880 Male Head Born: Germany Married

1940 Census Record Details

Census Year	1940
Location	Essex-County, New Jersey
Surname	Frederick
Given Name	John C
Relationship to Head	Head
Sex	M
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Germany
1935 Residence (City)	East Orange
1935 Residence (County)	Essex
Naturalization Status	Naturalized
Additional Details
Occupation	Proprietor
Industry	Tavern Restaurant
Class of Worker	OA
Hours Worked	60
Income (1939)	500
Highest Grade	G 8
1935 Residence	Same H
Birth Country	Germany
Birthplace (normalized)	germany
Occupation	Proprietor
Township / Ward	East Orange
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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Alice Frederick	Other	—	25	~1915
Albert Frederick	Son	—	34	~1906
William Frederick	Son	—	24	~1916
Charles Frederick	Son	—	23	~1917
John Frederick	Head	—	60	~1880
Katherine Frederick	Daughter	—	2	~1938
Emma Frederick	Spouse	—	50	~1890

Census Appearances

1930

Passaic, New …

Head, age 50

Passaic, New Jersey · implied b. ~1880 — 6 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Fredericks
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Germany
Naturalization Status	Naturalized
Year of Immigration	1895
Age at First Marriage	25
Father's Birthplace	Germany
Mother's Birthplace	Germany
Occupation	Weaver
Industry	Laundry
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	German
Home Owned/Rented	R
Home Value / Rent	40
Radio Set	R
Veteran	No
Birth Country	Germany
Birthplace (normalized)	germany

1940

Essex-County, New …

Head, age 60

Essex-County, New Jersey · implied b. ~1880 — 7 household members

Surname	Frederick
Given Name	John C
Relationship to Head	Head
Sex	M
Color / Race	White
Age	60
Marital Status	Married
Birthplace	Germany
1935 Residence (City)	East Orange
1935 Residence (County)	Essex
Naturalization Status	Naturalized
Occupation	Proprietor
Industry	Tavern Restaurant
Class of Worker	OA
Hours Worked	60
Income (1939)	500
Highest Grade	G 8
1935 Residence	Same H
Birth Country	Germany
Birthplace (normalized)	germany

Model Tree

Linked across censuses

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

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This person

Anchor record

John Frederick

Head · 1940 · age 60 · b. ~1880 · New Jersey

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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 — Essex-County, New Jersey Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02331-00153)

Line	Name	Age	Relation	Occupation	Birthplace
41	Walter Allen	36	Head	Chemical Engineer	New Jersey
42	Gladys Allen	37	Wife	—	New Jersey
43	Richard Allen	10	Son	—	New Jersey
44	Lois A. Allen	8	Daughter	—	New Jersey
45	Marilyn Allen	6	Daughter	—	New Jersey
46	Jr. Walter R Allen	3	Son	—	New Jersey
47	Charles F Ayres	36	Head	Business Manager	New Jersey
48	Alice S Ayres	30	Wife	—	New Jersey
49	James Ayres	1	Son	—	New Jersey
50	Lucy Draft	77	Mother in law	—	New Jersey
51	Anne Hanatuk	21	Servant	General House	Pennsylvania
52	James Llewellyn	50	Head	Manager	New Jersey
53	Reba Llewellyn	70	Wife	—	New York
54	Llewellyn Jr. Llewellyn	44	Son	Agent	New Jersey
55	Gertrude W Llewellyn	48	Daughter in law	—	New Jersey
56	Erwin Rudin	33	Head	Agent	New Jersey
57	Lucille Rudin	29	Wife	Saleslady	New Jersey
58	Kenneth Rudin	3	Son	—	New Jersey
59	Eugenia Rudin	59	Mother	—	Switzerland
60	Eugene Rudin	31	Brother	Salesman	New Jersey
61	Herbert Rudin	22	Brother	—	New Jersey
62	Frederick Rudin	19	Brother	Delivery Man	New Jersey
63	Joseph Meehan	41	Lodger	Machinist	New Jersey
64	Joseph J. Meehan	22	Lodger	Printer	Pennsylvania
65	(Missing Name) Meehan	None	Lodger	—	—
66	Charles S Mumma	67	Head	Teacher	Pennsylvania
67	Mary F Mumma	60	Wife	—	Pennsylvania
68	Christina Wolfinger	56	Head	—	Russia
69	Irving Wolfinger	20	Son	Baker	New Jersey
70	Agnes B Asorn	67	Head	—	New York
71	Agnes Baldwin	45	Servant	General Housework	England
72	John C Frederick THIS PERSON	60	Head	Proprietor	Germany
73	Emma K Frederick	50	Wife	—	Germany
74	Albert F Frederick	34	Son	Salesman	New York
75	William Frederick	24	Son	Salesman	N. J.
76	Charles Frederick	23	Son	Manager	N. J.
77	Alice M Frederick	25	Daughter in law	—	N. J.
78	Katherine Frederick	2	Daughter	—	N. J.
79	Melvin Bakret	61	Head	Salesman	N. J.
80	Katherine Bakret	33	Daughter	—	New York

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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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