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John Maher — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Maher across the 1930 and 1940 US Censuses in Nassau-County, New York (XGBoost, ~Confirmed) — first a son (b.~1929), then head of a 7-person household.

Age 11 b. ~1929 Male Son Born: New York Single

1940 Census Record Details

Census Year1940
LocationNassau-County, New York
SurnameMaher
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age11
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Lynchburg
Additional Details
Highest GradeS-1
1935 ResidenceVirginia
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardLong Beach
Est. Birth Year~1929

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
William Maher Son — 21 ~1919
Richard Maher Son — 10 ~1930
Catherine Maher Daughter — 16 ~1924
John Maher Son — 11 ~1929
Evelyn Maher Spouse — 44 ~1896
Patricia Maher Daughter — 15 ~1925
John Maher Head — 48 ~1892

Census Appearances

1930
Queens, New …
Son, age 1
Queens, New York · implied b. ~1929 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Maher
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 1
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Nassau-County, New …
Son, age 11
Nassau-County, New York · implied b. ~1929 — 7 household members
Surname Maher
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 11
Marital Status Single
Birthplace New York
1935 Residence (City) Lynchburg
Highest Grade S-1
1935 Residence Virginia
Birth State New York
Birth Country United States
Birthplace (normalized) new york

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 Maher across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Maher
Son · 1940 · age 11 · b. ~1929 · New York
★ You are viewing this record
Sibling
Catherine Maher
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Maher
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Maher
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Maher
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1940 US Federal Census — Nassau-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02690-00801)

Line Name Age Relation Occupation Birthplace
1 John Maher 48 Head Broker New York
2 Evelyn Maher 44 Wife — New York
3 William Maher 21 Son Rev. Clerk New York
4 Catherine Maher 16 Daughter — New York
5 Patricia Maher 15 Daughter — Long Island
6 John Maher THIS PERSON 11 Son — New York
7 Richard Maher 10 Son — Long Island
8 Jakob Hempel 58 Head Carpenter Germany
9 Louis K. Hasselman 38 Head Selling Goods Rhode Island
10 Irene Hasselman 27 Wife — New York
11 Joan S. Hasselman 4 Daughter — New York
12 Rose Renzick 48 P.G. Domestic New York
13 Raymond Sweeney 48 Head Insurance Broker New York
14 Elizabeth Sweeney 50 Wife — Jersey
15 Jack Sweeney 17 Son — New York
16 Walter Hacker 38 Head Broker New York
17 Ruth Hacker 37 Wife Clerk New York
18 Carol Hacker 10 Daughter — New York
19 Bess Warren 65 Mother-in-law — Rhode Island
20 William P. Sturk 54 Head Cement Contractor New York
21 Mary Sturk 51 Wife — New York
22 Malla Sturk 33 Daughter — New York
23 Frank S. Gauther 46 Head Pilot New York
24 Florence Gauther 26 Wife — New York
25 Jack Froehlich 37 Head Contractor New York
26 Emily Froehlich 34 Wife — New York
27 Rose Gray 58 Mother-in-law — New York
28 H. W. Jensen 33 Head Salesman Iowa
29 Violet Jensen 27 Wife — France
30 Andrew Brand 45 Head L.B. Dept. Sup. New York
31 Nancy Brand 39 Wife — New York
32 Lewis Brand 21 Son Iron Worker New York
33 Samuel Goldberg 39 Head Sup. New York
34 Molly Goldberg 33 Wife Secretary New York
35 Forrest Goldberg 3 Son — New York
36 Leora Wallace 23 Domestic House Girl Mississippi
37 Stella Gording 63 Head — Indiana
38 Herman Knopflee 58 Head Salesman New York
39 Margaret Knopflee 52 Wife — New York
40 Dorothy Knopflee 24 Daughter Secretary 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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