Joseph Cox — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Kings-County, New York

Our Model Tree links this Joseph Cox across the 1920, 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1874), then head of a 3-person household.

Age 66 b. ~1874 Male Head Born: New York Married

1940 Census Record Details

Census Year	1940
Location	Kings-County, New York
Surname	Cox
Given Name	Joseph F.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	66
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Additional Details
Occupation	BROKER
Industry	INSURANCE
Class of Worker	PW
Hours Worked	48
Income (1939)	0
Highest Grade	No H 1
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Occupation	Broker
Township / Ward	New York City
Est. Birth Year	~1874

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 Joseph	Age	Birth yr
Joseph Cox	Head	—	66	~1874
Marie Cox	Spouse	—	67	~1873
Marie Cox	Daughter	—	30	~1910

Census Appearances

1920

Kings, New …

Head, age 46

Kings, New York · implied b. ~1874 — 4 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cox
Given Name	Joseph F
Relationship to Head	Head
Sex	M
Color / Race	White
Age	46
Marital Status	Married
Birthplace	New York
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Automobile Bus
Industry	Factory
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Home Owned/Rented	R
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1930

Kings, New …

Head, age 55

Kings, New York · implied b. ~1875 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Cox
Given Name	Joseph F
Relationship to Head	Head
Sex	M
Color / Race	White
Age	55
Marital Status	Married
Birthplace	New York
Age at First Marriage	19
Father's Birthplace	Ireland-North
Mother's Birthplace	Ireland-North
Occupation	Insurance Broker
Industry	General Brokerage
Class of Worker	O
Can Read/Write	Yes
Home Owned/Rented	O
Home Value / Rent	8000
Radio Set	R
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Kings-County, New …

Head, age 66

Kings-County, New York · implied b. ~1874 — 3 household members

Surname	Cox
Given Name	Joseph F.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	66
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Occupation	BROKER
Industry	INSURANCE
Class of Worker	PW
Hours Worked	48
Income (1939)	0
Highest Grade	No H 1
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

Model Tree

Linked across censuses

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

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This person

Anchor record

Joseph Cox

Head · 1940 · age 66 · b. ~1874 · New York

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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 — Kings-County, New York Open full size

Page Contents

38 people indexed on this census page (nara:1940:m-t0627-02577-00007)

Line	Name	Age	Relation	Occupation	Birthplace
41	John J. Tinkdyke	62	Head	Fireman	New York
42	Margaret Tinkdyke	60	Wife	—	N. Ireland
43	Margaret Tinkdyke	32	Daughter	Clerk	New York
44	Bernadette Tinkdyke	29	Daughter	Clerk	New York
45	Patricia Tinkdyke	23	Daughter	Clerk	New York
46	Thomas Prendergast	39	Head	Salesman	Irish Free State
47	Margaret Prendergast	40	Wife	—	Irish Free State
48	Thomas Prendergast	6	Son	—	New York
49	Patricia Ann Prendergast	5	Daughter	—	New York
50	Albert Rasmusen	38	Lodger	Carpenter	Norway
51	George Wilks	23	Lodger	Dishwasher	New Jersey
52	Hans Kristoffersen	43	Lodger	Able Seaman	Norway
53	Joseph F. Cox THIS PERSON	66	Head	Broker	New York
54	Marie J. Cox	67	Wife	—	New York
55	Marie Cox	30	Daughter	Teacher	New York
56	Catherine Southworth	48	HEAD	—	Massachusetts
57	Alice Southworth	21	Daughter	Stenographer	Massachusetts
58	Arthur Southworth	22	Son	Pattern-Maker	Massachusetts
59	Charlotte Southworth	17	Daughter	—	Massachusetts
60	Hubert Southworth	16	Son	—	Mass.
61	Charles J. O'Brien	41	Head	Laborer	New York
62	Lillian O'Brien	42	Wife	—	Kentucky
63	Melvin Hargreaves	18	Step-son	Factory Worker	Illinois
64	John Egan	72	Lodger	Old Age	Maryland
65	Bertha Matthews	60	Lodger	—	New York
66	Jessie Mcintyre	52	Lodger	Housework	Canada English
67	Paul Baker	43	Head	Bill Poster	New York
68	Susie Baker	31	Wife	—	New York
69	Paul Baker	12	Son	—	New York
70	John Baker	8	Son	—	New York
71	Barbara Baker	2	Daughter	—	New York
72	Helen Maguire	34	Head	—	New York
73	Alexander Mckenzie	45	Lodger	Salesman	Scotland
74	Frank Connelly	35	Lodger	Engineer	Ireland
75	Frank Loughlin	32	Lodger	Railway	Ireland
76	William Campbell	None	Lodger	—	—
77	George Mcdougall	None	Lodger	—	—
78	Peter Kaplan	44	Lodger	—	Erie

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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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