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Thomas Duffy — 1930 US Census Record

Model Tree available

1930 United States Federal Census · New York, New York

Our Model Tree links this Thomas Duffy across the 1910, 1920 and 1930 US Censuses in New York, New York (XGBoost, ~Confirmed), with identified parents William & Wm — first a son (b.~1906), then head of a 3-person household.

Age 24 b. ~1906 Male Son Born: New York Single

1930 Census Record Details

Census Year1930
LocationNew York, New York
SurnameDuffy
Given NameThomas
Relationship to HeadSon
SexM
Color / RaceWhite
Age24
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceIreland
Mother's BirthplaceIreland
Additional Details
OccupationPacking
IndustryMachine Shop
Class of WorkerW
Can Read/WriteYes
VeteranNo
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationPacking
Township / WardNew York City
Est. Birth Year~1906

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 1930 census.

Name Relation to head Relative to Thomas Age Birth yr
Thomas Duffy Son — 24 ~1906
Wm Duffy Son — 26 ~1904
Wm Duffy Head — 60 ~1870

Census Appearances

1910
New York, …
Son, age 4
New York, New York · implied b. ~1906 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Duffy
Given Name Thomas J.
Relationship to Head Son
Sex M
Color / Race White
Age 4
Marital Status Single
Birthplace New York
Father's Birthplace Ireland
Mother's Birthplace Ireland
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1920
New York, …
Son, age 14
New York, New York · implied b. ~1906 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Duffy
Given Name Thomas
Relationship to Head Son
Sex M
Color / Race White
Age 14
Marital Status Single
Birthplace New York
Father's Birthplace Ireland
Mother's Birthplace Ireland
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1930
New York, …
Son, age 24
New York, New York · implied b. ~1906 — 3 household members
Surname Duffy
Given Name Thomas
Relationship to Head Son
Sex M
Color / Race White
Age 24
Marital Status Single
Birthplace New York
Father's Birthplace Ireland
Mother's Birthplace Ireland
Occupation Packing
Industry Machine Shop
Class of Worker W
Can Read/Write Yes
Veteran No
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 Thomas Duffy across 3 US Census years (1910, 1920 and 1930) in New York, New York, using XGBoost record linkage. Identified parents: father William Duffy (~0.92 confidence) and father Wm Duffy (~0.92 confidence) and mother Alice Duffy (~0.92 confidence) and mother Elizabeth Duffy (~0.92 confidence) and mother Irene Duffy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
William Duffy
b. ~1876
Source father
● Household · direct · ~0.92
Father
Wm Duffy
b. ~1870
Source father
● Household · direct · ~0.92
Mother
Alice Duffy
b. ~1868
Source mother
● Household · direct · ~0.92
Mother
Elizabeth Duffy
b. ~1881
Source mother
● Household · direct · ~0.92
Mother
Irene Duffy
b. ~1879
Source mother
● Household · direct · ~0.92
This person
Anchor record
Thomas Duffy
Son · 1930 · age 24 · b. ~1906 · New York
★ You are viewing this record
Sibling
Wm Duffy
Sibling · 1930 · age 26
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 — New York, New York Open full size

Page Contents

50 people indexed on this census page (ia:1930:newyorkcensus00reel1565:0217)

Line Name Age Relation Occupation Birthplace
1 Joseph Hutton 75 Head Salesman Scotland
2 Emily Hutton 55 Wife Housewife England
3 Benjamin Hutton 26 Son Foreman England
4 Charles P O'Connor 70 Head Laborer New York
5 Rose O'Connor 59 Wife Housewife New York
6 Frank O'Connor 23 Son Cold Job New York
7 Gertrude O'Connor 21 Daughter Clerical New York
8 Charles J O'Connor 19 Son Apprentice New York
9 John Conway 39 Head Moving Northern Ireland
10 Mary Conway 67 Mother None Northern Ireland
11 Dennis Curtin 50 Head Laborer Ireland
12 Margaret M Curtin 53 Wife Cleaning Ireland
13 Catherine F Curtin 16 Daughter None New York
14 Josephine M Curtin 14 Daughter None New York
15 Catherine Reidy 18 Niece Domestic Ireland
16 Martin Byrne 66 Head Stableman Ireland
17 Mary Byrne 51 Wife Chambermaid Ireland
18 Wm H Malone 24 Son in law Handyman New York
19 Mary Malone 23 Daughter None New York
20 Helen Malone 1 Daughter None New York
21 Joseph Malone 0 Son None New York
22 Richard Vaughan 38 Head Mechanic Ireland
23 Annie Vaughan 35 Wife None Ireland
24 Marion Vaughan 12 Daughter None New York
25 Anna M Vaughan 11 Daughter None New York
26 Agnes Vaughan 9 Daughter None New York
27 Richard Jr Vaughan 8 Son None New York
28 James Hugh 35 Head Porter Ireland
29 Mary J Hugh 42 Wife None Ireland
30 Rose Mcnulty 29 Boarder Chambermaid Ireland
31 James Cooney 20 Boarder Porter Ireland
32 Wm J Duffy 60 Head None Ireland
33 Wm J Jr Duffy 26 Son Driver New York
34 Thomas Duffy THIS PERSON 24 Son Packing New York
35 Lisa Rossman 50 Head Laundress Finland
36 Kate Mcaulay 40 Boarder Domestic Ireland
37 Anita Vachel 35 Boarder Cook Finland
38 Louise Taylor 30 Boarder Domestic New Jersey
39 Mary Blatsky 63 Head Superintendent Austria
40 Adele Steuben 60 Boarder Housekeeper Germany
41 Mary O'Boyle 45 Boarder Maid New York
42 Mary Conlon 65 Head None Northern Ireland
43 Emily Conlon 14 Daughter None New York
44 Joseph Conlon 30 Son Policeman New York
45 John Conlon 65 Son Retired New York
46 John Barrett 31 Head Furniture Ireland
47 Nora Barrett 30 Wife None Ireland
48 Mary Barrett 4 Daughter None New York
49 Stella Barrett 2 Daughter None New York
50 Stanley Barrett 0 Son None New York

Search for Thomas Duffy

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Pedigree Summary

Thomas + 1 sibling
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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