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Margaret Duffy — 1930 US Census Record

Model Tree available

1930 United States Federal Census · Kings, New York

Our Model Tree links this Margaret Duffy across the 1910, 1920 and 1930 US Censuses in Kings, New York (XGBoost, ~Confirmed), with identified parents Jas & John — first a daughter (b.~1910), then head of a 6-person household.

Age 20 b. ~1910 Female Daughter Born: New York Single

1930 Census Record Details

Census Year1930
LocationKings, New York
SurnameDuffy
Given NameMargaret
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age20
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceNew York
Mother's BirthplaceNew York
Additional Details
Can Read/WriteYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardBrooklyn Borough
Est. Birth Year~1910

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.

6 people recorded at the same address in the 1930 census.

Name Relation to head Relative to Margaret Age Birth yr
Agnes Duffy Daughter — 25 ~1905
Margaret Duffy Head — 55 ~1875
Claire Duffy Daughter — 25 ~1905
Margaret Duffy Daughter — 20 ~1910
Joseph Duffy Son — 23 ~1907
Anna Duffy Daughter — 22 ~1908

Census Appearances

1910
Kings, New …
Daughter, age 2
Kings, New York · implied b. ~1908 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Duffy
Given Name Margaret
Relationship to Head Daughter
Sex F
Color / Race White
Age 2
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Occupation none
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1920
Kings, New …
Daughter, age 11
Kings, New York · implied b. ~1909 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Duffy
Given Name Margaret
Relationship to Head Daughter
Sex F
Color / Race White
Age 11
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
Kings, New …
Daughter, age 20
Kings, New York · implied b. ~1910 — 6 household members
Surname Duffy
Given Name Margaret
Relationship to Head Daughter
Sex F
Color / Race White
Age 20
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace New York
Can Read/Write Yes
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.
Model Tree available
Our Model Tree links Margaret Duffy across 3 US Census years (1910, 1920 and 1930) in Kings, New York, using XGBoost record linkage. Identified parents: father Jas Duffy (~0.92 confidence) and father John Duffy (~0.92 confidence) and mother Mabel Duffy (~0.92 confidence) and mother Margaret Duffy (~0.92 confidence) and mother Margaret Duffy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Jas Duffy
b. ~1882
Source father
● Household · direct · ~0.92
Father
John Duffy
b. ~1883
Source father
● Household · direct · ~0.92
Mother
Mabel Duffy
b. ~1887
Source mother
● Household · direct · ~0.92
Mother
Margaret Duffy
b. ~1875
Source mother
● Household · direct · ~0.92
Mother
Margaret Duffy
b. ~1885
Source mother
● Household · direct · ~0.92
This person
Anchor record
Margaret Duffy
Daughter · 1930 · age 20 · b. ~1910 · New York
★ You are viewing this record
Sibling
Claire Duffy
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Duffy
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Duffy
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Duffy
Sibling · 1930 · age 23
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

1930 US Federal Census — Kings, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1495:1145)

Line Name Age Relation Occupation Birthplace
51 Lana Safran 78 Mother — Lithuania
52 Julius Katz 42 Head Salesman Austria
53 Minnie Katz 41 Wife — Austria
54 Edna Katz 16 Daughter — New York
55 Irving Katz 15 Son — New York
56 Roslyn Katz 10 Daughter — New York
57 Ramon Miranda 56 Head Exporter Porto Rico
58 Bertha M. Miranda 50 Wife Packer Nova Scotia
59 Harry Levine 41 Head Salesman Russia
60 Rose Levine 38 Wife — New York
61 Milton Levine 16 Son — New York
62 Leonard Levine 4 Son — New York
63 Morris Nadler 40 Head Salesman Rumania
64 Frieda Nadler 35 Wife — New York
65 Seymour Nadler 14 Son — New York
66 Elaine Nadler 10 Daughter — New York
67 Kenneth Nadler 2 Son — New York
68 Joseph Freundlich 61 Head Operator Austria
69 Rosie Freundlich 60 Wife — Austria
70 Ruthie Freundlich 32 Daughter — New York
71 Sol Freundlich 30 Son Salesman New York
72 Daniel Figlioli 31 Head Chemist Pennsylvania
73 Rose Figlioli 26 Wife — Pennsylvania
74 Mary Lou Figlioli 4 Daughter — New York
75 Daniel Figlioli 2 Son — New York
76 Joseph Eckstein 55 Head Compositor New York
77 Julia Eckstein 55 Wife — New York
78 Clinton Eckstein 25 Son Compositor New York
79 Margaret Duffy 55 Head — New York
80 Claire Duffy 25 Daughter Stenographer New York
81 Joseph Duffy 23 Son Sea Dept New York
82 Anna Duffy 22 Daughter Telephone Oper New York
83 Margaret Duffy THIS PERSON 20 Daughter — New York
84 Agnes Duffy 25 Daughter Clerk New York
85 Emma Rennie 58 Head — New York
86 Lillian Rennie 25 Daughter Stenographer New York
87 Jorge Pimentell 20 Lodger Clerk Brazil
88 Lewis Saplinger 57 Head Journalist Pennsylvania
89 Leah Saplinger 40 Wife — Russia
90 Jean Saplinger 18 Daughter — New York
91 Grace Saplinger 16 Daughter — New York
92 Harriett Saplinger 14 Daughter — New York
93 Florence Saplinger 11 Daughter — New York
94 Arthur Saplinger 8 Son — New York
95 William Kelly 60 Head Employee England
96 Rose Kelly 55 Wife — Scotland
97 Jane Kelly 31 Daughter — Scotland
98 Agnes Kelly 28 Daughter Typist Scotland
99 John Kelly 27 Son Mechanic Scotland
100 William Kelly 22 Son Clerk Scotland

Search for Margaret Duffy

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Pedigree Summary

Margaret + 4 siblings
Gen 1 · 5 parents ~0.92
Max depth 4 (1900–1950 window)

About This Record & Model Tree

This record was independently indexed by YourRoots from the 1930 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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