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John Hennessey — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Hennessey across the 1930 and 1940 US Censuses in Queens-County, New York (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 9-person household.

Age 46 b. ~1894 Male Head Born: Canada-English Married

1940 Census Record Details

Census Year1940
LocationQueens-County, New York
SurnameHennessey
Given NameJohn F.
Relationship to HeadHead
SexM
Color / RaceWhite
Age46
Marital StatusMarried
BirthplaceCanada-English
1935 Residence (City)Sag Harbor
Naturalization StatusNaturalized
Additional Details
OccupationAsst manager
IndustryLife Insurance
Class of WorkerPW
Hours Worked40
Income (1939)4000
Highest GradeC 2
1935 ResidenceNew York
Birthplace (normalized)canada-english
OccupationAsst Manager
Township / WardNew York City
Est. Birth Year~1894

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.

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

Name Relation to head Relative to John Age Birth yr
Frances Hennessey Daughter — 10 ~1930
John Hennessey Head — 46 ~1894
Patricia Hennessey Daughter — 7 ~1933
Helen Hennessey Daughter — 13 ~1927
Eileen Hennessey Daughter — 19 ~1921
Mary Hennessey Daughter — 20 ~1920
Paul Hennessey Son — 15 ~1925
John Hennessey Son — 17 ~1923
Helen O'Brien Other — 62 ~1878

Census Appearances

1930
Queens, New …
Head, age 35
Queens, New York · implied b. ~1895 — 9 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Hennessey
Given Name John F.
Relationship to Head Head
Sex M
Color / Race White
Age 35
Marital Status Married
Birthplace Canada-English
Naturalization Status Naturalized
Year of Immigration 1900
Age at First Marriage 23
Father's Birthplace Canada-English
Mother's Birthplace Canada-English
Occupation Salesmanager
Industry Refrigeration
Class of Worker W
Can Read/Write Yes
Mother Tongue English
Home Owned/Rented O
Home Value / Rent 12000
Radio Set R
Birthplace (normalized) canada-english
1940
Queens-County, New …
Head, age 46
Queens-County, New York · implied b. ~1894 — 9 household members
Surname Hennessey
Given Name John F.
Relationship to Head Head
Sex M
Color / Race White
Age 46
Marital Status Married
Birthplace Canada-English
1935 Residence (City) Sag Harbor
Naturalization Status Naturalized
Occupation Asst manager
Industry Life Insurance
Class of Worker PW
Hours Worked 40
Income (1939) 4000
Highest Grade C 2
1935 Residence New York
Birthplace (normalized) canada-english

Model Tree

An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Linked across censuses
Our Model Tree links John Hennessey across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hennessey
Head · 1940 · age 46 · b. ~1894 · New York
★ You are viewing this record
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-t0627-02740-01024)

Line Name Age Relation Occupation Birthplace
41 John F. Hennessey THIS PERSON 46 Head Asst Manager Canada-English
42 Mary Hennessey 20 Daughter Clerk New York
43 Eileen Hennessey 19 Daughter Waitress New York
44 John Hennessey 17 Son — New York
45 Paul Hennessey 15 Son — New York
46 Helen Hennessey 13 Daughter — New York
47 Frances Hennessey 10 Daughter — New York
48 Patricia Hennessey 7 Daughter — New York
49 Helen O'Brien 62 Housekeeper Housekeeper New York
50 Edward P. Froehlich 44 Head Salesman New York
51 Irene M. Froehlich 44 Wife — New York
52 Lillian Froehlich 13 Daughter — New York
53 Charles S. Froehlich 51 Brother Forestry New York
54 Anna Ludwig 74 Mother-in-law — New York
55 Arthur Freytag 53 Head Salesman Ohio
56 Ida Freytag 52 Wife — Ohio
57 Margaret Freytag 21 Daughter Typist Ohio
58 Helen Freytag 16 Daughter — New York
59 William Freytag 13 Son — New York
60 William F. Probst 53 Head General Superintendent New York
61 Meta Probst 54 Wife — New York
62 Mary R. Kaufmann 57 Sister-in-law — New York
63 Charles Zornow 83 Head — Illinois
64 Lisette Zornow 80 Wife — New York
65 Carrie Fischer 52 Daughter — New York
66 Charles, Jr. Zornow 54 Son Pressman New York
67 Herbert Rogers 52 Head — New York
68 Florence Rogers 54 Sister School Teacher New York
69 Paul Ritz 37 Head Clerk New York
70 Angeline Ritz 32 Wife — New York
71 Josephine Ritz 12 Daughter — New York
72 Paul, Jr. Ritz 6 Son — New York
73 Frederick Keil 47 Head Night Inspector New York
74 Hermine Keil 44 Wife — New York
75 Robert E. Keil 16 Son — New York
76 William V. H. Keil 11 Son — New York
77 Elizabeth M. Keil 10 Daughter — New York
78 George Keil 9 Son — New York
79 Felix S. Ross 58 Head Signal Inspector New York
80 Gertrude Ross 58 Wife — 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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