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Mary Murphy — 1940 US Census Record

Model Tree available

1940 United States Federal Census · Dubuque-County, Iowa

Our Model Tree links this Mary Murphy across the 1920, 1930 and 1940 US Censuses in Dubuque-County, Iowa (XGBoost, ~Confirmed), with identified parents Frank & John — first a daughter (b.~1912), then head of a 4-person household.

Age 28 b. ~1912 Female Daughter Born: Iowa Single

1940 Census Record Details

Census Year1940
LocationDubuque-County, Iowa
SurnameMurphy
Given NameMary
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age28
Marital StatusSingle
BirthplaceIowa
1935 Residence (County)Dubuque
Additional Details
Highest GradeNo 8
Birth StateIowa
Birth CountryUnited States
Birthplace (normalized)iowa
Township / WardVernon Township
Est. Birth Year~1912

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.

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

Name Relation to head Relative to Mary Age Birth yr
Mary Murphy Daughter — 28 ~1912
Frank Murphy Head — 65 ~1875
Bernard Murphy Son — 34 ~1906
Catherine Murphy Spouse — 69 ~1871

Census Appearances

1920
Dubuque, Iowa
Daughter, age 8
Dubuque, Iowa · implied b. ~1912 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Murphy
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 8
Marital Status Single
Birthplace Iowa
Father's Birthplace Iowa
Mother's Birthplace Iowa
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1930
Dubuque, Iowa
Daughter, age 17
Dubuque, Iowa · implied b. ~1913 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Murphy
Given Name Mary A.
Relationship to Head Daughter
Sex F
Color / Race White
Age 17
Marital Status Single
Birthplace Iowa
Father's Birthplace Iowa
Mother's Birthplace Iowa
Can Read/Write Yes
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa
1940
Dubuque-County, Iowa
Daughter, age 28
Dubuque-County, Iowa · implied b. ~1912 — 4 household members
Surname Murphy
Given Name Mary
Relationship to Head Daughter
Sex F
Color / Race White
Age 28
Marital Status Single
Birthplace Iowa
1935 Residence (County) Dubuque
Highest Grade No 8
Birth State Iowa
Birth Country United States
Birthplace (normalized) iowa

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.
Model Tree available
Our Model Tree links Mary Murphy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Frank Murphy (~0.92 confidence) and father John Murphy (~0.92 confidence) and mother Catherine Murphy (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
Frank Murphy
b. ~1875
Source father
● Household · direct · ~0.92
Father
John Murphy
b. ~1882
Source father
● Household · direct · ~0.92
Mother
Catherine Murphy
b. ~1871
Source mother
● Household · direct · ~0.92
This person
Anchor record
Mary Murphy
Daughter · 1940 · age 28 · b. ~1912 · Iowa
★ You are viewing this record
Sibling
Bernard Murphy
Sibling · 1940 · age 34
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 — Dubuque-County, Iowa Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-01159-00713)

Line Name Age Relation Occupation Birthplace
41 Michael O'Brien 3 Son — Iowa
42 Joseph O'Brien 1 Son — Iowa
43 Bernice Callahan 21 Maid Domestic Iowa
44 Martha Grace 73 Head Farming Iowa
45 John Grace 23 Son Farming Iowa
46 Gerald Grace 21 Son Farming Iowa
47 William Kupferschmidt 58 Lodger Farm Hand Iowa
48 James J Flynn 67 Head Farming Iowa
49 James E Flynn 36 Son Farming Iowa
50 Thomas A Flynn 34 Son Farming Iowa
51 Frank Murphy 65 Head Farming Iowa
52 Catherine Murphy 69 Wife — Iowa
53 Bernard Murphy 34 Son Farming Iowa
54 Mary Murphy THIS PERSON 28 Daughter — Iowa
55 George Quirk 58 Head Farming Iowa
56 Mary Quirk 58 Wife — Iowa
57 Marcella Quirk 27 Daughter — Iowa
58 Donald Quirk 5 Grandson — Iowa
59 Earl Hartman 44 Head Farming Iowa
60 Bernadine Hartman 26 Wife — Iowa
61 David Hartman 5 Son — Iowa
62 Walter Hartman 3 Son — Iowa
63 Laverne Hartman 1 Son — Iowa
64 Howard Hartman 32 Head Farming Iowa
65 Susan Hartman 32 Wife — Iowa
66 Paul Hartman 9 Son — Iowa
67 Kenneth Hartman 7 Son — Iowa
68 Wilbur Hartman 5 Son — Iowa
69 Shirley Hartman 2 Daughter — Iowa
70 Rita Hartman 1 Daughter — Iowa
71 Harold Bartels 34 Head Farmer Iowa
72 Lorene Bartels 28 Wife — Iowa
73 Shirley Ann Bartels 4 Daughter — Iowa
74 Merlin Bartels 1 Son — Iowa
75 Joseph A Siegert 51 Head Farming Iowa
76 Clara Siegert 48 Wife — Wisconsin
77 Earl Siegert 24 Son Farming Iowa
78 Joseph Jr Siegert 18 Son Farming Iowa
79 Eileen Siegert 16 Daughter — Iowa
80 Edna Siegert 11 Daughter — Iowa

Search for Mary Murphy

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Pedigree Summary

Mary + 1 sibling
Gen 1 · 3 parents ~0.92
Max depth 4 (1900–1950 window)

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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