John Hart — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Hart across the 1920, 1930 and 1940 US Censuses in Queens-County, New York (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 4-person household.

Age 50 b. ~1890 Male Head Born: Ireland Married

1940 Census Record Details

Census Year	1940
Location	Queens-County, New York
Surname	Hart
Given Name	John J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	New York
1935 Residence (County)	Queens
Naturalization Status	Naturalized
Additional Details
Occupation	Dispatcher
Industry	5th Ave Bus
Class of Worker	PW
Hours Worked	48
Income (1939)	2000
Highest Grade	8
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland
Occupation	Dispatcher
Township / Ward	New York
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.

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

Name	Relation to head	Relative to John	Age	Birth yr
Catherine Hart	Daughter	—	26	~1914
John Hart	Head	—	50	~1890
John Hart	Son	—	18	~1922
Annie Hart	Spouse	—	54	~1886

Census Appearances

1920

New York, …

Other, age 36

New York, New York · implied b. ~1884 — 2 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hart
Given Name	John
Relationship to Head	Brother
Sex	M
Color / Race	White
Age	36
Marital Status	Single
Birthplace	Ireland
Year of Immigration	1913
Naturalization Status	Naturalized
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	Clerk
Industry	Post Office
Class of Worker	W
Can Read	Yes
Can Write	Yes
Speaks English	Yes
Mother Tongue	English
Birth Country	Ireland
Year of Naturalization	1919
Birthplace (normalized)	ireland

1930

New York, …

Other, age 42

New York, New York · implied b. ~1888 — 50 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Hart
Given Name	John
Sex	M
Color / Race	White
Age	42
Marital Status	Single
Birthplace	Ireland
Age at First Marriage	1911
Father's Birthplace	Ireland
Mother's Birthplace	Ireland
Occupation	none
Industry	Inmate
Can Read/Write	Yes
Mother Tongue	English
Veteran	WW
Birth Country	Ireland
Birthplace (normalized)	ireland

1940

Queens-County, New …

Head, age 50

Queens-County, New York · implied b. ~1890 — 4 household members

Surname	Hart
Given Name	John J.
Relationship to Head	Head
Sex	M
Color / Race	White
Age	50
Marital Status	Married
Birthplace	Ireland
1935 Residence (City)	New York
1935 Residence (County)	Queens
Naturalization Status	Naturalized
Occupation	Dispatcher
Industry	5th Ave Bus
Class of Worker	PW
Hours Worked	48
Income (1939)	2000
Highest Grade	8
1935 Residence	Same place
Birth Country	Ireland
Birthplace (normalized)	ireland

Model Tree

Linked across censuses

Our Model Tree links John Hart 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 Hart

Head · 1940 · age 50 · b. ~1890 · 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 — Queens-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02735-00040)

Line	Name	Age	Relation	Occupation	Birthplace
1	Dennis Burke	65	Head	—	Ireland
2	Anna Burke	64	Wife	—	Ireland
3	John J. Burke	33	Son	Salesman	New York
4	Dennis Burke	25	Son	Policeman	New York
5	Jeremiah Duggan	37	Head	Chauffeur	Ireland
6	Anna Duggan	27	Wife	—	New York
7	Dennis Duggan	13	Son	—	New York
8	Anna Duggan	11	Daughter	—	New York
9	Jeremiah Duggan	6	Son	—	New York
10	Hugh Mcbrown	32	Head	Fireman	New York
11	Theresa Mcbrown	30	Wife	—	New York
12	Doris M. Mcbrown	10	Daughter	—	New York
13	Hugh Mcbrown	6	Son	—	New York
14	Mary A. Sigman	62	Head	—	New York
15	Joseph Malone	67	Brother	—	New York
16	Fred Ritter	56	Lodger	Helper	New York
17	George Macdonald	25	Lodger	Helper	Massachusetts
18	John D. Miller	48	Head	Chiropractor	Ireland
19	Helen Miller	46	Wife	—	New York
20	John Miller	14	Son	—	New York
21	Marguerite Miller	12	Daughter	—	New York
22	James Miller	11	Son	—	New York
23	Mary Miller	9	Daughter	—	New York
24	John J. Hart THIS PERSON	50	Head	Dispatcher	Ireland
25	Annie Hart	54	Wife	—	Ireland
26	Catherine A. Hart	26	Daughter	Typist	New York
27	John P. Hart	18	Son	—	New York
28	Charles Hephurn	51	Head	Business Agent	New York
29	Margaret Hephurn	45	Wife	—	New York
30	John Hephurn	24	Son	Cashier	New York
31	Elizabeth Hephurn	22	Daughter	Clerk	New York
32	Helen Hephurn	18	Daughter	—	New York
33	Joseph Dineen	58	Head	Millwright	Italy
34	Mary Dineen	45	Wife	—	New York
35	Peter Dineen	24	Son	Service Man	New York
36	Philomena Dineen	16	Daughter	—	New York
37	Daniel Dineen	29	Son	Helper	New York
38	Maria Dineen	21	Daughter-in-law	Typist	New York
39	Carol Dineen	2	Granddaughter	—	New York
40	James Derico	28	Head	Butcher	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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