John Tracy — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Tracy across the 1930 and 1940 US Censuses in Kings-County, New York (XGBoost, ~Confirmed) — first a head (b.~1905), then head of a 8-person household.

Age 35 b. ~1905 Male Head Born: New York Married

1940 Census Record Details

Census Year	1940
Location	Kings-County, New York
Surname	Tracy
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	35
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Additional Details
Occupation	Patrolman
Industry	Police Department
Class of Worker	GW
Hours Worked	48
Income (1939)	3000
Highest Grade	No 8
1935 Residence	Same place
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york
Occupation	Patrolman
Township / Ward	New York City
Est. Birth Year	~1905

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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Thomas Tracy	Son	—	16	~1924
John Tracy	Son	—	17	~1923
Stephen Tracy	Son	—	3	~1937
Dorothy Tracy	Daughter	—	14	~1926
Margaret Tracy	Daughter	—	7	~1933
Dorothy Tracy	Spouse	—	36	~1904
John Tracy	Head	—	35	~1905
Daniel Tracy	Son	—	11	~1929

Census Appearances

1930

Kings, New …

Head, age 26

Kings, New York · implied b. ~1904 — 3 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Tracy
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	26
Marital Status	Married
Birthplace	New York
Age at First Marriage	24
Father's Birthplace	New York
Mother's Birthplace	New York
Occupation	Policeman
Industry	City
Class of Worker	W
Can Read/Write	Yes
Home Owned/Rented	R
Home Value / Rent	45
Radio Set	R
Veteran	No
Birth State	New York
Birth Country	United States
Birthplace (normalized)	new york

1940

Kings-County, New …

Head, age 35

Kings-County, New York · implied b. ~1905 — 8 household members

Surname	Tracy
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	35
Marital Status	Married
Birthplace	New York
1935 Residence (City)	New York City
1935 Residence (County)	Kings
Occupation	Patrolman
Industry	Police Department
Class of Worker	GW
Hours Worked	48
Income (1939)	3000
Highest Grade	No 8
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 John Tracy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.

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This person

Anchor record

John Tracy

Head · 1940 · age 35 · b. ~1905 · 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

40 people indexed on this census page (nara:1940:m-t0627-02582-00430)

Line	Name	Age	Relation	Occupation	Birthplace
41	John Kelly	44	Head	Sweeper	New York
42	Grace Kelly	42	Wife	—	New York
43	Dorothy Kelly	15	Daughter	—	New York
44	Grace Kelly	12	Daughter	—	New York
45	John Tracy THIS PERSON	35	Head	Patrolman	New York
46	Dorothy Tracy	36	Wife	—	New York
47	John Tracy	17	Son	—	New York
48	Thomas Tracy	16	Son	—	New York
49	Dorothy Tracy	14	Daughter	—	New York
50	Daniel Tracy	11	Son	—	New York
51	Margaret Tracy	7	Daughter	—	New York
52	Stephen Tracy	3	Son	—	New York
53	James Mcglynn	33	Head	Motorman	Irish Free State
54	Mary R. Mcglynn	34	Wife	—	Irish Free State
55	Elizabeth Ann Mcglynn	5	Daughter	—	New York
56	Mary Mcglynn	4	Daughter	—	New York
57	Kathleen Mcglynn	3	Daughter	—	New York
58	James Mcglynn	1	Son	—	New York
59	Richard St. George	34	Head	Salesman	New York
60	Elizabeth St. George	62	Mother	—	Northern Ireland
61	Charles O'Connor	54	Head	Preparation Man	New Jersey
62	Mary O'Connor	49	Wife	—	New York
63	Charles O'Connor	22	Son	Plumbers Helper	New York
64	James O'Connor	21	Son	Board Boy	New York
65	Marie Mcfadden	26	Daughter	—	New York
66	Anne Coon	36	Sister	Packer	New York
67	William Coon	26	Nephew	Clerk	New York
68	Francis Mcardle	58	Head	Motorman	Irish Free State
69	Elizabeth Mcardle	58	Wife	—	Irish Free State
70	Francis Mcardle	23	Son	Clerk	New York
71	Catherine Mcardle	20	Daughter	Salesgirl	New York
72	Arthur Mcardle	14	Son	—	New York
73	William Cavanagh	55	Head	Clerk	New York
74	Brenda Cavanagh	58	Sister	—	New York
75	Charles Cavanagh	56	Brother	—	New York
76	William Cavanagh	14	Nephew	—	New York
77	Edward Cavanagh	5	Nephew	—	New York
78	Florence Hickerson	43	Sister	—	New York
79	Dorothy Hickerson	20	Niece	—	New York
80	Ruth Hickerson	15	Niece	—	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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