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Mary Dwyer — 1940 US Census Record

Linked across censuses

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

Our Model Tree links this Mary Dwyer across the 1930 and 1940 US Censuses in New-York-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 8-person household.

Age 16 b. ~1924 Female Daughter Born: New York Single

1940 Census Record Details

Census Year1940
LocationNew-York-County, New York
SurnameDwyer
Given NameMary
Relationship to Headdaughter
SexF
Color / RaceWhite
Age16
Marital StatusSingle
BirthplaceNew York
1935 Residence (City)New York
1935 Residence (County)New York
Additional Details
Class of Worker0
Highest GradeNo 6
1935 ResidenceSame place
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardNew York
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.

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

Name Relation to head Relative to Mary Age Birth yr
Catherine Dwyer Daughter — 24 ~1916
Francis Dwyer Son — 23 ~1917
Elizabeth Dwyer Daughter — 19 ~1921
Peter Dwyer Son — 26 ~1914
Margaret Dwyer Head — 53 ~1887
Margaret Dwyer Daughter — 21 ~1919
Mary Dwyer Daughter — 16 ~1924
Thomas Dwyer Son — 14 ~1926

Census Appearances

1930
New York, …
Daughter, age 7
New York, New York · implied b. ~1923 — 9 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Dwyer
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 7
Marital Status Single
Birthplace New York
Father's Birthplace Ireland
Mother's Birthplace New York
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
New-York-County, New …
Daughter, age 16
New-York-County, New York · implied b. ~1924 — 8 household members
Surname Dwyer
Given Name Mary
Relationship to Head daughter
Sex F
Color / Race White
Age 16
Marital Status Single
Birthplace New York
1935 Residence (City) New York
1935 Residence (County) New York
Class of Worker 0
Highest Grade No 6
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 Mary Dwyer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dwyer
Daughter · 1940 · age 16 · b. ~1924 · New York
★ You are viewing this record
Sibling
Elizabeth Dwyer
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Dwyer
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Dwyer
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Dwyer
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Dwyer
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Dwyer
Sibling · 1940 · age 21
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 — New-York-County, New York Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-02650-00939)

Line Name Age Relation Occupation Birthplace
41 Robert Caamano 0 Son — New York
42 John Canning 27 Lodger Age Maker Puerto Rico
43 Josephine Otter 80 Head — France
44 Elsie Meir 45 Lodger — New York
45 Richard Meir 17 Lodger — No Dakota
46 Bridie Mullay 50 Head House Cleaner Irish Free State
47 Emily Mullay 25 daughter Typist New York
48 Elizabeth Mullay 21 daughter Saleslady New York
49 Catherine Mullay 15 daughter — New York
50 Nicholas Devine 51 Lodger Watchman Irish Free State
51 Christo Hondropoulos 43 Head Cook Turkey
52 Evangeline Hondropoulos 49 wife — Turkey
53 Thomas Hondropoulos 14 son — Greece
54 Mary Hondropoulos 6 daughter — New York
55 Thomas Martin 32 Head Motorman Irish Free State
56 Helen Martin 32 wife — Irish Free State
57 John Martin 7 son — New York
58 Michael Martin 4 son — New York
59 Milton Ambortuage 25 Head Helper On A Truck Pennsylvania
60 Mary Ambortuage 29 wife — Pennsylvania
61 Mary Ambortuage 0 daughter — New York
62 Edward Dorr 42 Head Chauffeur New York
63 Josephine Dorr 39 wife — New York
64 Teresa Dorr 18 daughter — New York
65 Catherine Dorr 13 daughter — New York
66 Margaret Dwyer 53 Head — Irish Free State
67 Peter Dwyer 26 son Driver Helper New York
68 Catherine Dwyer 24 daughter Waitress New York
69 Francis Dwyer 23 son Packer New York
70 Margaret Dwyer 21 daughter Waitress New York
71 Elizabeth Dwyer 19 daughter — New York
72 Mary Dwyer THIS PERSON 16 daughter — New York
73 Thomas Dwyer 14 son — New York
74 John Diamantos 44 Head Laborer Turkey
75 Angela Diamantos 32 wife — Turkey
76 William Diamantos 7 son — Greece
77 Ero Diamantos 9 daughter — Greece
78 Despina Diamantos 12 daughter — New York
79 John Ciffe 50 Head Laborer Italy
80 Anna Ciffe 42 wife Embroiderer Italy

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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