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John Conroy — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this John Conroy across the 1930 and 1940 US Censuses in Rensselaer-County, New York (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 7-person household.

Age 16 b. ~1924 Male Son Born: New York Single

1940 Census Record Details

Census Year1940
LocationRensselaer-County, New York
SurnameConroy
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age16
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)Troy
1935 Residence (County)Rensselaer
Additional Details
Class of Worker0
Income (1939)0
Highest GradeH-2
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardTroy
Est. Birth Year~1924

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
Martin Conroy Son — 18 ~1922
Thomas Conroy Son — 7 ~1933
Anna Conroy Daughter — 23 ~1917
John Conroy Head — 48 ~1892
Helen Conroy Spouse — 45 ~1895
John Conroy Son — 16 ~1924
Emily Conroy Daughter — 22 ~1918

Census Appearances

1930
Rensselaer, New …
Son, age 7
Rensselaer, New York · implied b. ~1923 — 7 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Conroy
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 7
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation School
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
Rensselaer-County, New …
Son, age 16
Rensselaer-County, New York · implied b. ~1924 — 7 household members
Surname Conroy
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 16
Marital Status Single
Birthplace New York
1935 Residence (City) Troy
1935 Residence (County) Rensselaer
Class of Worker 0
Income (1939) 0
Highest Grade H-2
1935 Residence Same place
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 Conroy across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Conroy
Son · 1940 · age 16 · b. ~1924 · New York
★ You are viewing this record
Sibling
Emily Conroy
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Conroy
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Conroy
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Martin Conroy
Sibling · 1940 · age 18
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 — Rensselaer-County, New York Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-02758-00803)

Line Name Age Relation Occupation Birthplace
41 Mary Burke 38 Wife — New York
42 Sally Burke 7 Daughter — New York
43 Arnold Heller 45 Head Machinist New York
44 May Heller 47 Wife — New York
45 John Heller 13 Son — New York
46 Thomas Heller 9 Son — New York
47 Ann Heller 8 Daughter — New York
48 John Maxwell 75 Head — New York
49 Hannah Maxwell 73 Wife — New York
50 Emmett Maxwell 33 Son Furrier New York
51 Agnes Maxwell 30 Daughter Stenographer New York
52 James Dorr 58 Head Laborer New York
53 Mary Dorr 56 Wife — New York
54 Julia Dorr 25 Daughter Stenographer New York
55 James Maxwell 55 Brother-in-law Laborer New York
56 Julia O'Hara 75 Head — New York
57 Charles Joslin 33 Head Traveling Salesman New York
58 Helen Joslin 29 Wife — New York
59 Joyce Joslin 1 Daughter — New York
61 John Mcmahon 35 Head Bus Driver New York
62 Anna Mcmahon 31 Wife — New York
63 Catherine Mcmahon 10 Daughter — New York
64 Mary Mcmahon 9 Daughter — New York
65 Margaret Mcmahon 8 Daughter — New York
66 John Mcmahon 5 Son — New York
67 Constance Mcmahon 4 Daughter — New York
68 James Mcmahon 3 Son — New York
69 Joseph Mcmahon 2 Son — New York
70 Joan Mcmahon 2 Daughter — New York
71 John Conroy 48 Head Automobile Mechanic New York
72 Helen Conroy 45 Wife — New York
73 Anna Conroy 23 Daughter Waitress New York
74 Emily Conroy 22 Daughter Telephone Operator New York
75 Martin Conroy 18 Son Machinist Helper New York
76 John Conroy THIS PERSON 16 Son — New York
77 Thomas Conroy 7 Son — New York
78 Robert Jr. Maxwell 34 Head Truck Driver New York
79 Mildred Maxwell 34 Wife — New York
80 Robert 3Rd Maxwell 10 Son — 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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