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James Dugan — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Middlesex-County, Massachusetts

Our Model Tree links this James Dugan across the 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1918), then head of a 6-person household.

Age 22 b. ~1918 Male Son Born: Michigan Single

1940 Census Record Details

Census Year1940
LocationMiddlesex-County, Massachusetts
SurnameDugan
Given NameJames Jr
Relationship to Headson
SexM
Color / RaceWhite
Age22
Marital StatusSingle
BirthplaceMichigan
1935 Residence (City)Newton
1935 Residence (County)Middlesex
Additional Details
OccupationMechanic
IndustryCrosby Garage
Class of WorkerPW
Hours Worked40
Income (1939)336
Highest GradeH-4
1935 ResidenceSame House
Birth StateMichigan
Birth CountryUnited States
Birthplace (normalized)michigan
OccupationMechanic
Township / WardNewton
Est. Birth Year~1918

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 1940 census.

Name Relation to head Relative to James Age Birth yr
James Dugan Son — 22 ~1918
Dorothy Dugan Daughter — 21 ~1919
Mary Dugan Spouse — 50 ~1890
James Dugan Head — 62 ~1878
Thomas Dugan Son — 18 ~1922
Richard Dugan Son — 14 ~1926

Census Appearances

1930
Middlesex, Massachusetts
Son, age 13
Middlesex, Massachusetts · implied b. ~1917 — 8 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Dugan
Given Name James Jr.
Relationship to Head Son
Sex M
Color / Race White
Age 13
Marital Status Single
Birthplace Michigan
Father's Birthplace Massachusetts
Mother's Birthplace Michigan
Occupation none
Can Read/Write Yes
Birth State Michigan
Birth Country United States
Birthplace (normalized) michigan
1940
Middlesex-County, Massachusetts
Son, age 22
Middlesex-County, Massachusetts · implied b. ~1918 — 6 household members
Surname Dugan
Given Name James Jr
Relationship to Head son
Sex M
Color / Race White
Age 22
Marital Status Single
Birthplace Michigan
1935 Residence (City) Newton
1935 Residence (County) Middlesex
Occupation Mechanic
Industry Crosby Garage
Class of Worker PW
Hours Worked 40
Income (1939) 336
Highest Grade H-4
1935 Residence Same House
Birth State Michigan
Birth Country United States
Birthplace (normalized) michigan

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 James Dugan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Dugan
Son · 1940 · age 22 · b. ~1918 · Massachusetts
★ You are viewing this record
Sibling
Dorothy Dugan
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Dugan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Dugan
Sibling · 1940 · age 18
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 — Middlesex-County, Massachusetts Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01614-00749)

Line Name Age Relation Occupation Birthplace
1 Margery Wickson 23 daughter — Mass
2 George J Jr Wickson 21 son Drug Clerk Mass
3 Albert Wickson 20 son Drug Clerk Mass
4 Barbara Wickson 12 daughter — Mass
5 Caroline W Little 75 Head — Mass
6 Ethel M Woodberry 64 Lodger Teacher New Hampshire
7 James A Gemmell 51 Head Chauffeur Scotland
8 Florence Gemmell 37 Wife — England
9 Here Ends Block None A-7 and — —
10 James F Dugan 62 Head Superintendent Mass
11 Mary A Dugan 50 Wife Housework Michigan
12 James Jr Dugan THIS PERSON 22 son Mechanic Michigan
13 Dorothy Dugan 21 Daughter Clerk Mass
14 Thomas Dugan 18 son — Mass
15 Richard Dugan 14 son — Mass
16 Patrick J Delaney 57 Head Janitor Eire
17 Esther E Delaney 44 Wife — Canada English
18 Evelyn Delaney 17 daughter Check Teller Mass
19 Edwin Delaney 17 son — Mass
20 Mary F Delaney 13 daughter — Mass
21 Robert Delaney 11 son — Mass
22 Barbara Delaney 9 daughter — Mass
23 Jean Delaney 2 daughter — Mass
24 John Babbitt 31 nephew Truck Driver Eire
25 Richard J Clancy 59 Head Policeman Mass
26 Katherine Clancy 57 Wife — Mass
27 Mary E Clancy 17 daughter — Mass
28 Frederick J Clancy 30 son Coal Helper Mass
29 Katheryn Clancy 24 daughter in law — Canada English
30 Delia Dennehy 64 Head — Eire
31 Mary Dennehy 25 daughter Telephone Operator Mass
32 Daniel Healey 47 Lodger Caddy Eire
33 Samuel Peters 50 Lodger Farm Hand Canada French
34 Martin Dolphin 66 Lodger — Mass
35 Alfred Foley 50 Lodger Laborer Mass
36 John Driscoll 13 Lodger — Mass
37 Nicholas Driscoll 13 Lodger — Mass
38 George Trinquillo 12 Lodger — Mass
39 Fredric Wilson 10 Lodger — —
40 Eugene Savard 10 Lodger — —

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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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