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John Dugan — 1930 US Census Record

Linked across censuses

1930 United States Federal Census · New York, New York

Our Model Tree links this John Dugan across the 1930 and 1940 US Censuses in New York, New York (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 7-person household.

Age 7 b. ~1923 Male Son Born: New York Single

1930 Census Record Details

Census Year1930
LocationNew York, New York
SurnameDugan
Given NameJohn
Relationship to HeadSon
SexM
Color / RaceWhite
Age7
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceIrish Free State
Mother's BirthplaceIrish Free State
Additional Details
Can Read/WriteYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
Township / WardManhattan
Est. Birth Year~1923

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 1930 census.

Name Relation to head Relative to John Age Birth yr
Beatrice Dugan Daughter — 11 ~1919
Helen Dugan Daughter — 2 ~1928
John Dugan Son — 7 ~1923
Anna Dugan Daughter — 9 ~1921
Katherine Dugan Spouse — 35 ~1895
Mary Dugan Daughter — 12 ~1918
Patrick Dugan Head — 38 ~1892

Census Appearances

1930
New York, …
Son, age 7
New York, New York · implied b. ~1923 — 7 household members
Surname Dugan
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 7
Marital Status Single
Birthplace New York
Father's Birthplace Irish Free State
Mother's Birthplace Irish Free State
Can Read/Write Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1940
New-York-County, New …
Son, age 17
New-York-County, New York · implied b. ~1923 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Deegan
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 17
Marital Status Single
Birthplace New York
1935 Residence (City) New York City
1935 Residence (County) New York
Highest Grade Hs 3
1935 Residence Same House
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 Dugan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Dugan
Son · 1930 · age 7 · b. ~1923 · New York
★ You are viewing this record
Sibling
Anna Dugan
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Dugan
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Dugan
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Dugan
Sibling · 1930 · age 2
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:newyorkcensus00reel1569:0375)

Line Name Age Relation Occupation Birthplace
1 Henry Weinman 68 Head Stableman Germany
2 Victoria Weinman 65 Wife — Germany
3 Paul Glusing 42 Head Miller Germany
4 Alice Glusing 35 Wife — Germany
5 Alice Glusing 10 Daughter — Germany
6 Albert Bergman 27 Head Mechanic Germany
7 Kate Bergman 33 Wife Waitress Germany
8 Henry Quisus 29 Head Baker Germany
9 Josef Habel 57 Boarder Manager Czechoslovakia
10 Patrick Dugan 38 Head Hod Carrier Irish Free State
11 Katherine Dugan 35 Wife — Irish Free State
12 Mary Dugan 12 Daughter — New York
13 Beatrice Dugan 11 Daughter — New York
14 Anna Dugan 9 Daughter — New York
15 John Dugan THIS PERSON 7 Son — New York
16 Helen Dugan 2 Daughter — New York
17 Elizabeth Hoehn 65 Head — Germany
18 Steven Knafcz 48 Head Laborer Austria
19 Jane Knafcz 35 Wife — New York
20 Jane Knafcz 7 Daughter — New York
21 Steven Knafcz 6 Son — New York
22 Joseph Knafcz 5 Son — New York
23 Dorothy Knafcz 4 Daughter — New York
24 William Knafcz 2 Son — New York
25 Joseph Knafcz 55 Head Packer Austria
26 Mary Knafcz 44 Wife — Austria
27 Michael Knafcz 14 Son — Austria
28 Mary Knafcz 10 Daughter — Austria
29 Peter Gallager 42 Head Salesman Irish Free State
30 Julia Gallager 44 Wife — Irish Free State
31 John Galvin 61 Head Stableman Irish Free State
32 Julia Galvin 56 Wife — Irish Free State
33 Harry Conrad 27 Head Watchman Pennsylvania
34 Francis Conrad 26 Wife — New York
35 John Conrad 1 Son — New York
36 Regis Stewart 40 Head — New York
37 Bernard Stewart 20 Son Clerical New York
38 Paul Stewart 16 Son Cleaner New York
39 George Knox 50 Head Helper New York
40 Clara Knox 52 Wife — Germany
41 Ignatz Foxwell 65 Head Day Laborer Austria
42 Charles Sherman 54 Head Cleaning Germany
43 Sally Preston 50 Head Presser New Jersey
44 Margaret Hill 44 Head — New York
45 Lillian Mcnally 22 Daughter — New York
46 Katherine Mcnally 17 Daughter — New York
47 John Mooney 1 Son — New York
48 Loretta Hill 10 Daughter — New York
49 Peter Martelli 34 Head Chauffeur New York
50 Margaret Martelli 30 Wife — New York

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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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