John Maher — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Maher across the 1930 and 1940 US Censuses in Queens-County, New York (XGBoost, ~Confirmed) — first a head (b.~1902), then head of a 7-person household.

Age 38 b. ~1902 Male Head Born: Newfoundland Married

1940 Census Record Details

Census Year	1940
Location	Queens-County, New York
Surname	Maher
Given Name	John (X)
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Newfoundland
1935 Residence (City)	New York
Naturalization Status	Naturalized
Additional Details
Occupation	Plasterer
Industry	Building
Class of Worker	PW
Hours Worked	30
Income (1939)	3000
Highest Grade	H 4
1935 Residence	New York
Birth Country	Canada
Birthplace (normalized)	newfoundland
Occupation	Plasterer
Township / Ward	Bellerose
Est. Birth Year	~1902

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
John Maher	Head	—	38	~1902
James Maher	Son	—	8	~1932
Kathleen Maher	Daughter	—	9	~1931
Alexander Maher	Son	—	2	~1938
Kathleen Maher	Spouse	—	37	~1903
John Maher	Son	—	6	~1934
Richard Maher	Son	—	3	~1937

Census Appearances

1930

Nassau, New …

Head, age 29

Nassau, New York · implied b. ~1901 — 5 household members

● Primary link · ~Confirmed · 2 sources

XGBoost Household

Surname	Maher
Given Name	John
Relationship to Head	Head
Sex	M
Color / Race	White
Age	29
Marital Status	Married
Birthplace	Newfoundland
Naturalization Status	Naturalized
Year of Immigration	1920
Age at First Marriage	26
Father's Birthplace	Newfoundland
Mother's Birthplace	Newfoundland
Occupation	Ironworker
Industry	Building
Class of Worker	W
Can Read/Write	Yes
Mother Tongue	English
Home Owned/Rented	R
Home Value / Rent	50
Veteran	No
Birth Country	Canada
Birthplace (normalized)	newfoundland

1940

Queens-County, New …

Head, age 38

Queens-County, New York · implied b. ~1902 — 7 household members

Surname	Maher
Given Name	John (X)
Relationship to Head	Head
Sex	M
Color / Race	White
Age	38
Marital Status	Married
Birthplace	Newfoundland
1935 Residence (City)	New York
Naturalization Status	Naturalized
Occupation	Plasterer
Industry	Building
Class of Worker	PW
Hours Worked	30
Income (1939)	3000
Highest Grade	H 4
1935 Residence	New York
Birth Country	Canada
Birthplace (normalized)	newfoundland

Model Tree

Linked across censuses

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

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This person

Anchor record

John Maher

Head · 1940 · age 38 · b. ~1902 · 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

39 people indexed on this census page (nara:1940:m-t0627-02735-00978)

Line	Name	Age	Relation	Occupation	Birthplace
41	Alois B. Jehle	24	Son	Clerk	New Jersey
42	Dorothy E. Jehle	14	Daughter	—	New York
43	Robert E. Jehle	30	Son	Ass. Manager	New York
44	Grace Jehle	24	Daughter-in-law	Checker	New York
45	Carol G. Jehle	0	Granddaughter	—	New York
46	Ludwig (X) Osliz	39	Head	Machinist	Germany
47	Rosaly Osliz	31	Wife	—	Switzerland
48	Elsie Osliz	10	Daughter	—	New York
49	Annie Mengi	45	Lodger	—	Switzerland
51	William (X) Hauger	51	Head	Superintendent	Norway
52	Gertrude Hauger	48	Wife	—	Norway
53	William F. Hauger	22	Son	Sta. Fireman	New Jersey
54	John Gatter	32	Head	Butcher	New York
55	Helen (X) Gatter	33	Wife	—	New York
56	Virginia Gatter	7	Daughter	—	New York
57	John H. Gatter	3	Son	—	New York
58	Mary Agnes Gatter	1	Daughter	—	New York
59	Harvey Gatter	16	Brother	Cler. Messenger	New York
60	Erik S. (X) Saf	48	Head	Elec. Inst. Fitter	Sweden
61	Anna Saf	49	Wife	—	Sweden
62	Harold Saf	16	Son	—	New York
63	Viola Saf	11	Daughter	—	New York
64	John (X) Maher THIS PERSON	38	Head	Plasterer	Newfoundland
65	Kathleen Maher	37	Wife	—	New York
66	Kathleen M. Maher	9	Daughter	—	New York
67	James J. Maher	8	Son	—	New York
68	John P. Maher	6	Son	—	New York
69	Richard J. Maher	3	Son	—	New York
70	Alexander J. Maher	2	Son	—	New York
71	Joseph Porreca	47	Head	Home Relief	Italy
72	Sarah Porreca	37	Wife	—	New York
73	Jennie Porreca	11	Daughter	—	New York
74	Ralph Porreca	9	Son	—	New York
75	Joseph Jr. Porreca	5	Son	—	New York
76	Vera Porreca	0	Infant	—	New York
77	Stephen Ieare	44	Lodger	Laborer	Italy
78	John (X) Fitzgerald	62	Head	Postal Clerk	New York
79	Gertrude Fitzgerald	56	Wife	—	New York
80	Stephen Fitzgerald	28	Son	Mechanic	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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