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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.~1903), then head of a 10-person household.

Age 27 b. ~1903 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
Age27
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 / WardNew York City
Est. Birth Year~1903

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.

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

Name Relation to head Relative to John Age Birth yr
Gerald Dugan Son — 21 ~1909
John Dugan Son — 27 ~1903
Mary Dugan Daughter — 20 ~1910
Charles Dugan Son — 25 ~1905
James Dugan Son — 22 ~1908
William Dugan Son — 26 ~1904
Edward Dugan Son — 20 ~1910
Paul Dugan Son — 24 ~1906
Mary Dugan Head — 47 ~1883
Thomas Dugan Son — 28 ~1902

Census Appearances

1930
New York, …
Son, age 27
New York, New York · implied b. ~1903 — 10 household members
Surname Dugan
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 27
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
1940
New-York-County, New …
Son, age 38
New-York-County, New York · implied b. ~1902 — 2 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Duggan
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 38
Marital Status Married
Birthplace New York
1935 Residence (City) New York City
1935 Residence (County) New York
Occupation Salesman
Industry Department Store
Class of Worker PW
Hours Worked 18
Income (1939) 611
Highest Grade Hs 4
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 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 27 · b. ~1903 · New York
★ You are viewing this record
Sibling
Charles Dugan
Sibling · 1930 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Dugan
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Dugan
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Dugan
Sibling · 1930 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Dugan
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Dugan
Sibling · 1930 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Dugan
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Dugan
Sibling · 1930 · age 20
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:newyorkcensus00reel1563:0071)

Line Name Age Relation Occupation Birthplace
1 Amy Crombie 60 Head — New York
2 Agnes Crombie 32 Daughter Teacher New York
3 Alice Crombie 24 Daughter — New York
4 J. Ash Brown 36 Roomer — Virginia
5 May G. Brown 37 Roomer — Virginia
6 Frances Edwards 19 Roomer — Pennsylvania
7 James Illich 67 Head — New York
8 James V. Illich 42 Son Salesman New York
9 Joseph Illich 35 Son Pharmacist New York
10 Aren Illich 25 Son — New York
11 Grace Illich 26 Daughter-in-law — New York
12 Joan Illich 5 Granddaughter — New York
13 Mary Illich 3 Granddaughter — New York
14 James Illich 1 Grandson — New York
15 Mary Dugan 47 Head — New York
16 Thomas Dugan 28 Son — New York
17 John Dugan THIS PERSON 27 Son — New York
18 William Dugan 26 Son — New York
19 Charles Dugan 25 Son — New York
20 Paul Dugan 24 Son — New York
21 James Dugan 22 Son — New York
22 Gerald Dugan 21 Son — New York
23 Edward Dugan 20 Son — New York
24 Mary Dugan 20 Daughter — New York
25 John Gannon 72 Head Officer New York
26 Mary Gannon 67 Wife — New York
27 John Gannon 32 Son Salesman Illinois
28 John Gannon 31 Son Civil Engineer Ohio
29 F. Groshenke 51 Head Physician New York
30 Adele Groshenke 53 Sister Physician New York
31 Frank Groshenke 47 Brother Librarian New York
32 Carl Snyder 31 Head — Pennsylvania
33 Margaret Arnold 26 Roomer — Pennsylvania
34 John Burke 33 Roomer — Japan
35 Mary Tracy 58 Head — Connecticut
36 Samuel Sifton 30 Roomer — Arkansas
37 Margaret Corrigan 58 Head Caterer Irish Free State
38 Annie Elliston 50 Roomer Chambermaid Irish Free State
39 Agnes Doring 25 Roomer Salesman New York
40 Ethan L. Macht 45 Roomer Research Wisconsin
41 Mary Cronin 62 Head — New York
42 Mary Elizabeth Cronin 35 Cousin Teacher New York
43 Robert Murnane 22 Roomer Partner Kansas
44 James B. Lee 22 Roomer Partner Alabama
45 Gimmaro Sia 22 Roomer Waiter Russia
46 William B. Sia 20 Roomer Waiter Russia
47 George Mayo 67 Head Owner Louisiana
48 Wayne Mayo 52 Wife — Pennsylvania
49 Thomas Stell 30 Roomer Agent Texas
50 William Noff 20 Roomer Bus Boy Germany

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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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