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Mary Duggan — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · Hennepin-County, Minnesota

Our Model Tree links this Mary Duggan across the 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 8-person household.

Age 13 b. ~1927 Female Daughter Born: Minnesota Single

1940 Census Record Details

Census Year1940
LocationHennepin-County, Minnesota
SurnameDuggan
Given NameMary Jane
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age13
Marital StatusSingle
BirthplaceMinnesota
1935 Residence (City)Edina Village
1935 Residence (County)Hennepin
Additional Details
Highest GradeNo 6
1935 ResidenceSame house
Birth StateMinnesota
Birth CountryUnited States
Birthplace (normalized)minnesota
Township / WardEdina Village
Est. Birth Year~1927

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
John Duggan Son — 20 ~1920
William Duggan Son — 16 ~1924
John Duggan Head — 60 ~1880
Mary Duggan Daughter — 13 ~1927
Alma Karek Other — 30 ~1910
Richard Duggan Son — 18 ~1922
Kathleen Duggan Daughter — 10 ~1930
Mary Duggan Spouse — 51 ~1889

Census Appearances

1930
Hennepin, Minnesota
Daughter, age 2
Hennepin, Minnesota · implied b. ~1928 — 5 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Dugan
Given Name Marilyn J.
Relationship to Head daughter
Sex F
Color / Race White
Age 2
Marital Status Single
Birthplace Minnesota
Father's Birthplace Minnesota
Mother's Birthplace Minnesota
Can Read/Write No
Birth State Minnesota
Birth Country United States
Birthplace (normalized) minnesota
1940
Hennepin-County, Minnesota
Daughter, age 13
Hennepin-County, Minnesota · implied b. ~1927 — 8 household members
Surname Duggan
Given Name Mary Jane
Relationship to Head Daughter
Sex F
Color / Race White
Age 13
Marital Status Single
Birthplace Minnesota
1935 Residence (City) Edina Village
1935 Residence (County) Hennepin
Highest Grade No 6
1935 Residence Same house
Birth State Minnesota
Birth Country United States
Birthplace (normalized) minnesota

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 Duggan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Duggan
Daughter · 1940 · age 13 · b. ~1927 · Minnesota
★ You are viewing this record
Sibling
William Duggan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Duggan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Duggan
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Duggan
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 — Hennepin-County, Minnesota Open full size

Page Contents

39 people indexed on this census page (nara:1940:m-t0627-01924-00905)

Line Name Age Relation Occupation Birthplace
41 Emma Gunderson 43 Wife — Minnesota
42 Bernard Gunderson 14 Son — Minnesota
43 Doris Gunderson 12 Daughter — Minnesota
44 Norman Gunderson 10 Son — Minnesota
45 George Gunderson 6 Son — Minnesota
46 Marjorie Gunderson 3 Daughter — Minnesota
47 Forrest Peters 49 Head Yardmaster Pennsylvania
48 Elsie Peters 49 Wife — Pennsylvania
49 Frank Natale 52 Head Farmer Italy
50 Jenny Natale 47 Wife — New York
51 Frank Jr. Natale 25 Son Delivery Truck Driver Minnesota
52 Joseph Natale 20 Son New Worker Minnesota
53 Mary Natale 22 Daughter Egg Breaker Minnesota
54 Soren Jensen 77 Head — Sweden
55 Sadie Jensen 48 Daughter — Minnesota
56 Raymond Jensen 42 Son Farmer Minnesota
57 Louis Thompson 51 Head Farmer Denmark
58 Anna X Thompson 38 Wife — Denmark
59 Edith Thompson 10 Daughter — Minnesota
60 Lily Thompson 8 Daughter — Minnesota
61 Meta Thompson 6 Daughter — Minnesota
62 Paul Thompson 4 Son — Minnesota
63 Cino Meki 33 Hired hand Farmhand Minnesota
64 Donald Brooks 16 Hired hand Farmhand Minnesota
65 Gustaf Olson 65 Head Storekeeper Sweden
66 Martha Olson 54 Wife — Germany
67 Laura Foster 20 Lodger Clerk Minnesota
68 Harold Foster 1 Lodger — Minnesota
69 Anton Amundson 22 Head Delivery Truck Driver Minnesota
70 Lucille Amundson 24 Wife Inspector Minnesota
71 John J. Duggan 60 Head Farmer Minnesota
72 Mary Duggan 51 Wife — Minnesota
73 John Jr. Duggan 20 Son St Clerk Minnesota
74 Richard Duggan 18 Son — Minnesota
75 William Duggan 16 Son — Minnesota
76 Mary Jane Duggan THIS PERSON 13 Daughter — Minnesota
77 Kathleen Duggan 10 Daughter — Minnesota
78 Alma Karek 30 Housekeeper Housekeeper Canada-French
79 Archibald Butter 55 Head Dentist Illinois

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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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