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James Mahoney — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this James Mahoney across the 1920, 1930 and 1940 US Censuses in Queens-County, New York (XGBoost, ~Confirmed) — first a head (b.~1871), then head of a 3-person household.

Age 69 b. ~1871 Male Head Born: Ohio Married

1940 Census Record Details

Census Year1940
LocationQueens-County, New York
SurnameMahoney
Given NameJames
Relationship to HeadHead
SexM
Color / RaceWhite
Age69
Marital StatusMarried
BirthplaceOhio
1935 Residence (City)N.Y.C.
1935 Residence (County)Queens
Additional Details
OccupationLawyer
IndustryInsurance
Class of WorkerPW
Hours Worked40
Income (1939)5000
Highest GradeNo 8
1935 ResidenceSame House
Birth StateOhio
Birth CountryUnited States
Birthplace (normalized)ohio
OccupationLawyer
Township / WardNyc
Est. Birth Year~1871

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 James Age Birth yr
Margaret Mahoney Daughter — 27 ~1913
Marie Mahoney Spouse — 64 ~1876
James Mahoney Head — 69 ~1871

Census Appearances

1920
Queens, New …
Head, age 52
Queens, New York · implied b. ~1868 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Mahoney
Given Name James J
Relationship to Head Head
Sex M
Color / Race White
Age 52
Marital Status Married
Birthplace Ohio
Father's Birthplace Ohio
Mother's Birthplace Ohio
Occupation Manager
Industry Private Practice
Class of Worker OA
Can Read Yes
Can Write Yes
Speaks English Yes
Home Owned/Rented O
Home Free/Mortgaged M
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1930
Queens, New …
Head, age 64
Queens, New York · implied b. ~1866 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Mahoney
Given Name James J.
Relationship to Head Head
Sex M
Color / Race White
Age 64
Marital Status Married
Birthplace Ohio
Age at First Marriage 25
Father's Birthplace New York
Mother's Birthplace New York
Occupation Lawyer
Industry Law
Class of Worker OA
Can Read/Write Yes
Home Owned/Rented O
Home Value / Rent 20000
Radio Set R
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio
1940
Queens-County, New …
Head, age 69
Queens-County, New York · implied b. ~1871 — 3 household members
Surname Mahoney
Given Name James
Relationship to Head Head
Sex M
Color / Race White
Age 69
Marital Status Married
Birthplace Ohio
1935 Residence (City) N.Y.C.
1935 Residence (County) Queens
Occupation Lawyer
Industry Insurance
Class of Worker PW
Hours Worked 40
Income (1939) 5000
Highest Grade No 8
1935 Residence Same House
Birth State Ohio
Birth Country United States
Birthplace (normalized) ohio

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 James Mahoney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
James Mahoney
Head · 1940 · age 69 · b. ~1871 · 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-t0627-02740-00455)

Line Name Age Relation Occupation Birthplace
1 Dwight Hunting 39 Head Salesman Michigan
2 Dagne Hunting 37 Wife — Norway
3 Katherine Hunting 8 Daughter — Ohio
4 Dwight Hunting 2 Son — New York
5 John Paden 70 Head — Pennsylvania
6 Margaret Paden 55 Wife — New York
7 Joseph Werner 27 Head Salesman New York
8 Marie Werner 31 Wife — New York
9 Frank Hushion 31 Head Salesman New York
10 Marge Hushion 29 Wife Saleslady New York
11 Clinton Bernard 55 Head Engineer New York
12 Pauline Bernard 46 Wife — New York
13 William Zuricka 39 Head Arch. Designer New York
14 Anna Zuricka 33 Wife — New York
15 Ronald Zuricka 11 Son — New York
16 Thomas Brown 31 Head Engineer New York
17 Elise Brown 31 Wife — New York
18 Clara Doscher 53 Head — New York
19 Marie Doscher 69 Sister — New York
20 Johanna Glicker 71 Sister — New York
21 Hulda Tollaner 73 Head — Wash. D.C.
22 John Duffield 81 Head Lecturer New York
23 Elizabeth Ward 44 Daughter — Illinois
24 Kenneth Ward 21 Son — New York
25 Irene Fuerkenstein 40 Head Secretary New York
26 Mary Fuerkenstein 69 Mother — New York
27 Arthur Fuerkenstein 22 Son Sign Painter New York
28 Annie Brady 76 Sister — New York
29 Walter Brady 37 Son Clerk New York
30 Walter Brady 13 Son — New York
31 Charles Hartmann 66 Head — New York
32 Carl Hartmann 43 Son — New York
33 Helen Hartmann 41 Daughter Clerk New York
34 Lillian Hartmann 39 Daughter — New York
35 Edwin Hartmann 37 Son Attendant New York
36 Rita Hartmann 29 Daughter — New York
37 Ada Page 55 Aunt — New York
38 James Mahoney THIS PERSON 69 Head Lawyer Ohio
39 Marie Mahoney 64 Wife — New York
40 Margaret Mahoney 27 Daughter New Worker 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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