Mary Cook — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Cook across the 1920, 1930 and 1940 US Censuses in Camden-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1890), then head of a 6-person household.

Age 50 b. ~1890 Female Spouse Born: Delaware Married

1940 Census Record Details

Census Year	1940
Location	Camden-County, New Jersey
Surname	Cook
Given Name	Mary R.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Delaware
1935 Residence (City)	Camden
1935 Residence (County)	Camden
Additional Details
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware
Township / Ward	Camden
Est. Birth Year	~1890

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 Mary	Age	Birth yr
Dorothy Cook	Daughter	—	14	~1926
Mary Cook	Daughter	—	15	~1925
Thomas Cook	Head	—	57	~1883
Thomas Cook	Son	—	19	~1921
Daniel Cook	Son	—	11	~1929
Mary Cook	Spouse	—	50	~1890

Census Appearances

1920

Camden, New …

Spouse, age 34

Camden, New Jersey · implied b. ~1886 — 8 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Mary R
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	34
Marital Status	Married
Birthplace	Delaware
Father's Birthplace	Delaware
Mother's Birthplace	Delaware
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

1930

Camden, New …

Spouse, age 44

Camden, New Jersey · implied b. ~1886 — 9 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cook
Given Name	Mary E
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	44
Marital Status	Married
Birthplace	Delaware
Age at First Marriage	11
Father's Birthplace	Delaware
Mother's Birthplace	Delaware
Occupation	Bagmaker
Industry	Bag Factory
Class of Worker	W
Can Read/Write	Yes
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

1940

Camden-County, New …

Spouse, age 50

Camden-County, New Jersey · implied b. ~1890 — 6 household members

Surname	Cook
Given Name	Mary R.
Relationship to Head	Wife
Sex	F
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Delaware
1935 Residence (City)	Camden
1935 Residence (County)	Camden
Income (1939)	0
Highest Grade	No 8
1935 Residence	Same house
Birth State	Delaware
Birth Country	United States
Birthplace (normalized)	delaware

Model Tree

Linked across censuses

Our Model Tree links Mary Cook 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 Cook

Spouse · 1940 · age 50 · b. ~1890 · 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 — Camden-County, New Jersey Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-02393-00126)

Line	Name	Age	Relation	Occupation	Birthplace
41	James Delange	23	Son	Porter	Pennsylvania
42	Frederick Neal	48	Head	Machinist	England
44	Nazzereno Pulsano	54	Head	Laborer	Italy
45	Mary Pulsano	50	Wife	—	Italy
46	Annette Pulsano	17	Daughter	New Worker	New Jersey
47	Alfred Pulsano	13	Son	—	New Jersey
48	Frank W. Keen	48	Head	Laborer	New Jersey
49	Clara T. Keen	41	Wife	—	Maryland
50	Harry A. Keen	19	Son	Painter	New Jersey
51	Edwin L. Keen	17	Son	Laborer	New Jersey
52	Grace F. Keen	14	Daughter	—	New Jersey
53	Paul M. Keen	6	Son	—	New Jersey
54	Mary F. Collins	54	Head	—	New Jersey
55	Raymond C. Collins	31	Son	Helper	New Jersey
56	Luigi Scardoni	38	Head	Plumber	Italy
57	Pieri Leopold	40	Lodger	Finisher	Brazil
58	Oliver Kelly	38	Head	Superintendent	New Jersey
59	Hilda M. Kelly	37	Wife	—	New Jersey
60	Elda A. Kelly	5	Daughter	—	New Jersey
61	Anna N. Kern	58	Mother-in-law	—	New Jersey
62	John H. Jones	37	Head	Boat Builder	New Jersey
63	Florence M. Jones	34	Wife	—	New Jersey
64	Florence L. Jones	6	Daughter	—	New Jersey
65	Dorothy M. Jones	1	Daughter	—	New Jersey
66	Thomas O. Cook	57	Head	Street Cleaner	Maryland
67	Mary R. Cook THIS PERSON	50	Wife	—	Delaware
68	Thomas O. Cook	19	Son	Packer Up	New Jersey
69	Mary R. Cook	15	Daughter	—	New Jersey
70	Dorothy A. Cook	14	Daughter	—	New Jersey
71	Daniel H. Cook	11	Son	—	New Jersey
72	Allen F. Forrester	36	Head	Iron Prover	New Jersey
73	Virginia S. Forrester	30	Wife	—	Missouri
74	Doris P. Forrester	7	Daughter	—	New Jersey
75	Lillian J. Forrester	5	Daughter	—	New Jersey
76	John H. Wehrle	80	Head	—	Pennsylvania
77	Bertha Wehrle	70	Wife	—	Switzerland
78	John H. Jr. Wehrle	42	Son	Machinist	New Jersey
79	Frederick H. Schoen	36	Head	Brakeman	New Jersey
80	Katherine M. Schoen	32	Wife	—	New Jersey

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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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