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Mary Dugan — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Dallas-County, Texas

Our Model Tree links this Mary Dugan across the 1930 and 1940 US Censuses in Dallas-County, Texas (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.

Age 17 b. ~1923 Female Daughter Born: Georgia Single

1940 Census Record Details

Census Year1940
LocationDallas-County, Texas
SurnameDugan
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age17
Marital StatusSingle
BirthplaceGeorgia
1935 Residence (City)Dallas City
1935 Residence (County)Dallas
Additional Details
OccupationBookkeeper
IndustryOil well supply
Class of WorkerPW
Hours Worked40
Income (1939)210
Highest GradeH-4
1935 ResidenceSame place
Birth StateGeorgia
Birth CountryUnited States
Birthplace (normalized)georgia
OccupationBookkeeper
Township / WardDallas City
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.

8 people recorded at the same address in the 1940 census.

Name Relation to head Relative to Mary Age Birth yr
Lucy Dugan Daughter — 5 ~1935
Tom Dugan Son — 12 ~1928
Mary Dugan Daughter — 17 ~1923
Alice Dugan Spouse — 48 ~1892
Jenny Dugan Son — 14 ~1926
J Dugan Head — 50 ~1890
Rita Dugan Daughter — 8 ~1932
Alice Dugan Daughter — 14 ~1926

Census Appearances

1930
Dallas, Texas
Daughter, age 8
Dallas, Texas · implied b. ~1922 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Dugan
Given Name Mary J.
Relationship to Head Daughter
Sex F
Color / Race White
Age 8
Marital Status Single
Birthplace Georgia
Father's Birthplace Kentucky
Mother's Birthplace Georgia
Can Read/Write Yes
Birth State Georgia
Birth Country United States
Birthplace (normalized) georgia
1940
Dallas-County, Texas
Daughter, age 17
Dallas-County, Texas · implied b. ~1923 — 8 household members
Surname Dugan
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 17
Marital Status Single
Birthplace Georgia
1935 Residence (City) Dallas City
1935 Residence (County) Dallas
Occupation Bookkeeper
Industry Oil well supply
Class of Worker PW
Hours Worked 40
Income (1939) 210
Highest Grade H-4
1935 Residence Same place
Birth State Georgia
Birth Country United States
Birthplace (normalized) georgia

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 Mary Dugan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Dugan
Daughter · 1940 · age 17 · b. ~1923 · Texas
★ You are viewing this record
Sibling
Tom Dugan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jenny Dugan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alice Dugan
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rita Dugan
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucy Dugan
Sibling · 1940 · age 5
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 — Dallas-County, Texas Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-04172-00818)

Line Name Age Relation Occupation Birthplace
1 Elizabeth Antoine 41 Head — Texas
2 Juanita Antoine 21 Daughter — Texas
3 A. M. Jr. Antoine 20 Son Office Work Texas
4 Louise Antoine 17 Daughter Sales Texas
5 Mary Elizabeth Antoine 15 Daughter Elevator Texas
6 Edwin Fred Huber 30 Head Clerk Dept Texas
7 Nattie Lou Huber 29 Wife — Texas
8 Chris Huber 2Nd Huber 2 Son — Texas
9 J. H. Dugan 50 Head Sales Kentucky
10 Alice Dugan 48 Wife — Georgia
11 Alice Rae Dugan 14 Daughter — Tennessee
12 Mary Dugan THIS PERSON 17 Daughter Bookkeeper Georgia
13 Jenny Dugan 14 Son — Georgia
14 Tom Dugan 12 Son — Georgia
15 Rita Ann Dugan 8 Daughter — Texas
16 Lucy Dugan 5 Daughter — Texas
17 John R. Whorton 54 Head — Alabama
18 Virginia Whorton 23 Daughter Secretary Texas
19 Walter M. Whorton 19 Son Bookkeeper Texas
20 Mary Whorton 15 Daughter — Texas
21 A. S. Ashby 43 Lodger Marble Setter Missouri
22 Mayo 26 Lodger Waiter Texas
23 Arthur J. Manner 67 Head Engineer New York
24 Susie K. Manner 64 Wife — Texas
25 Mattie Jimmy Manner 22 Lodger — Texas
26 Linis George Ellis 38 Head Salesman Texas
27 Margaret D. Ellis 35 Wife Bookkeeper Texas
28 George Jerry Ellis 5 Son — Texas
29 Min Patricia Ellis 2 Daughter — Texas
30 Mrs. Margaret Rollins 44 Head — Texas
31 Thomas Rollins 22 Son Secretary Texas
32 Mrs. Kate Vaughan 75 Mother Dressmaker Illinois
33 Miss Nora V. Vaughan 44 Sister — Illinois
34 Lucille Greider 26 Niece Nurse Reg. Oregon
35 Lottie Elizabeth Nicholson 40 Head Stenographer Texas
36 Jimmy Nicholson 12 Son — Texas
37 R. M. Cooper 51 Head Mechanic Texas
38 Margie D. Cooper 50 Wife Mechanical Texas
39 Robert M. Cooper 15 Son — Texas
40 Jack S. Cooper 10 Son — Texas

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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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