YourRoots by Genomelink
banner

Sign up to explore more

Create a free account to navigate family trees, view ancestors, and discover connections.

Mildreth Marie Duffy 1894–1971 – Genealogical Records

Birth Date: 27 June 1894

Birth Location: Cromwell, Minnesota

Death Date: 15 August 1971

Death Location: Duluth, St. Louis County, Minnesota, United States of America

Father: Edwin Duffy

Mother: Mary (Duffy)

Spouse(s): John McDevitt, Robert Donahoe

Children(s): Richard McDevitt, Mary McDevitt, Dorothy McDevitt, Patricia (Cosgriff), Kathleen McDevitt, John McDevitt, William McDevitt, Robert McDevitt, Joanne (Rohweder)

Mildreth Marie Duffy was born in 1894 in Cromwell, Minnesota, the child of Edwin Preston Duffy And Mary Elizabeth Mayme Campbell Duffy. In 1930, Mildreth Marie Duffy resided in Duluth, St Louis, Minnesota, USA. In 1935, Mildreth Marie Duffy resided in Duluth, St Louis, Minnesota. Mildreth Marie Duffy married John Harold Mcdevitt, Robert Donahoe, and had children including Dorothy Ellen Mcdevitt, Joan E Mc Devitt, Joanne Elaine Mcdevitt Rohweder, John H Mcdevitt, Kathleen Clare Mcdevitt, Mary Mildreth Mcdevitt, Patricia Anne Mcdevitt Cosgriff, Richard Edwin Mcdevitt, Robert Louis Mcdevitt, William Elmer Mcdevitt. Mildreth Marie Duffy passed away in 1971 in Duluth, St. Louis County, Minnesota, United States of America.

Find more search results for Mildreth Duffy
MD

Reliability Score

This score reflects the reliability of the source family tree. A high rating indicates a trustworthy source with strong data consistency.

Reliability Score:
A
Criteria:
  • A 3 criteria (Strong)
  • B 2 criteria (Medium)
  • C 1 criteria (Basic)
  • N/A 0 criteria (Insufficient)

This tree's reliability score:

  • Record available
  • Descendant's record available
  • Star tree owner

Biography

  • Mildreth Marie Duffy was born in 1894 in Cromwell, Minnesota, the child of Edwin Preston Duffy And Mary Elizabeth Mayme Campbell Duffy.
  • In 1930, Mildreth Marie Duffy resided in Duluth, St Louis, Minnesota, USA.
  • In 1935, Mildreth Marie Duffy resided in Duluth, St Louis, Minnesota.
  • Mildreth Marie Duffy married John Harold Mcdevitt, Robert Donahoe, and had children including Dorothy Ellen Mcdevitt, Joan E Mc Devitt, Joanne Elaine Mcdevitt Rohweder, John H Mcdevitt, Kathleen Clare Mcdevitt, Mary Mildreth Mcdevitt, Patricia Anne Mcdevitt Cosgriff, Richard Edwin Mcdevitt, Robert Louis Mcdevitt, William Elmer Mcdevitt.
  • Mildreth Marie Duffy passed away in 1971 in Duluth, St. Louis County, Minnesota, United States of America.

Immediate Family

Parents

Edwin Duffy
1867–1909
Birth Location: Monroeville, Huron, Ohio, USA
ED
Mary (Duffy)
1871–1937
Birth Location: Minnesota, Minnesota, USA
M(

Spouses(s)

John McDevitt
1884–1935
Birth Location: Minnesota
JM
Robert Donahoe
1896–1986
Birth Location: Parker, Turner, South Dakota, United States
RD

Children(s)

Richard McDevitt
1926–2014
Birth Location: Duluth, St Louis, Minnesota, USA
RM
Mary McDevitt
1916–1998
Birth Location: Minnesota
MM
Dorothy McDevitt
1918–1933
Birth Location: Minnesota
DM
Patricia (Cosgriff)
1919–2001
Birth Location: Duluth, St. Louis County, Minnesota, United States of America
P(
Kathleen McDevitt
1921–2000
Birth Location: Minnesota
KM
John McDevitt
1923–1981
Birth Location: Minnesota
JM
William McDevitt
1925–2001
Birth Location: Minnesota, USA
WM
Robert McDevitt
1927–2008
Birth Location: Duluth, St Louis, Minnesota, USA
RM
Joanne (Rohweder)
1928–1983
Birth Location: Duluth St Lo, Minnesota
J(

Mildreth Duffy's Ancestors

Self
Mildreth Duffy
1894–1971
Birth Place: Cromwell, Minnesota
Parents
Edwin Preston Duffy
1867–1909
Monroeville, Huron, Ohio, USA
Mary (Elizabeth "Mayme" Campbell) (Duffy)
1871–1937
Minnesota, Minnesota, USA
Grandparents
Great-Grandparents
2nd-Great-Grandparents

Mildreth Duffy's Descendants

1.
MD
Mildreth (Marie) Duffy (27 June 1894–15 August 1971) m. John (Harold) McDevitt (8 Aug 1884–12 May 1935) m. Robert Donahoe (2 Apr 1896–30 Oct 1986)
  1. 1. Richard (Edwin) McDevitt 1926–2014
  2. 2. Mary (Mildreth) McDevitt 1916–1998
  3. 3. Dorothy (Ellen) McDevitt 1918–1933
  4. 4. Patricia (Anne McDevitt) (Cosgriff) 1919–2001 m. Daniel (Lee) Cosgriff 1917–1946
    1. 1. Diana (Lee Cosgriff) (Klosowski) 1942–2007
  5. 5. Kathleen (Clare) McDevitt 1921–2000
  6. 6. John (H) McDevitt 1923–1981
  7. 7. William (Elmer) McDevitt 1925–2001
  8. 8. Robert (Louis) McDevitt 1927–2008
  9. 9. Joanne (Elaine McDevitt) (Rohweder) 1928–1983

Mildreth Duffy's Timeline

5 Records

1894
27 June 1894
Birth of Mildreth Marie Duffy in Cromwell, Minnesota
Cromwell, Minnesota
1930
1930
Age 36
Mildreth Marie Duffy resided here in Duluth, St Louis, Minnesota, USA
Duluth, St Louis, Minnesota, USA
1935
1935
Age 41
Mildreth Marie Duffy resided here in Duluth, St Louis, Minnesota
Duluth, St Louis, Minnesota
1940
1940
Age 46
Mildreth Marie Duffy resided here in Duluth, St Louis, Minnesota, USA
Duluth, St Louis, Minnesota, USA
1971
15 August 1971
Age 77
Death of Mildreth Marie Duffy in Duluth, St. Louis, Minnesota, USA
Duluth, St. Louis, Minnesota, USA

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 27 June 1894
    Event Place: Cromwell, Minnesota
    Record Source:
    [1] 1940 United States Federal Census
    [2] 1930 United States Federal Census
    [3] U.S., Find a Grave® Index, 1600s-Current

    Genealogy Event 2
    Event Type: Residence
    Event Date: 1930
    Event Place: Duluth, St Louis, Minnesota, USA
    Record Source: 1930 United States Federal Census

    Genealogy Event 3
    Event Type: Residence
    Event Date: 1935
    Event Place: Duluth, St Louis, Minnesota
    Record Source: 1940 United States Federal Census

    Genealogy Event 4
    Event Type: Residence
    Event Date: 1940
    Event Place: Duluth, St Louis, Minnesota, USA
    Record Source: 1940 United States Federal Census

    Genealogy Event 5
    Event Type: Death
    Event Date: 15 August 1971
    Event Place: Duluth, St. Louis, Minnesota, USA
    Record Source: U.S., Find a Grave® Index, 1600s-Current

    Genealogy Event 6
    Event Type: Burial
    Event Place: Duluth, St. Louis County, Minnesota, United States of America
    Record Source: U.S., Find a Grave® Index, 1600s-Current
Find more search results for Mildreth Duffy

About YourRoots

Family Tree Map

Explore your family tree geographically

Import your GEDCOM file to transform your family tree into an interactive global map. See your roots laid out visually and understand your true geographic heritage.

Powerful tools like "Trace Back To Me" instantly map your family's migration paths from a chosen ancestor all the way back to you.

LEARN MORE
AI Genealogy Research

Discover ancestors beyond "end-of-line" automatically

Import your family tree and let AI expand it for you. AI Ancestor Finder scans "end-of-line" ancestors to uncover their parents across hundreds of family lines at once. AI Deep Research analyzes selected ancestors and family clusters, suggesting relevant records and next steps.

Turn on Auto Research Mode to get new discoveries daily or weekly, so your tree keeps growing even while you're away.

LEARN MORE
DNA Match

Find more DNA matches across all DNA tests

Combine your DNA data with your family tree to unlock the full power of YourRoots DNA Match. Connect with relatives across major testing services — Ancestry, 23andMe, MyHeritage, and more.

View your matches' maps and trees to identify shared ancestors, and soon you'll be able to add them directly to your own tree and map.

LEARN MORE
Ancestry Reports

Ancestry DNA analysis that goes deeper than others

Unlock exclusive reports that reveal your deeper origins.

  • Deep Ancestry Report — Analyze 130+ ethnicities, sub-regions, and 1,800+ communities in one detailed view.
  • Global & Native American Reports — Developed with Stanford researchers to uncover hidden ancestries across all 22 chromosomes.
  • Ancient DNA Series — Compare your DNA with 1,000+ ancient genomes from Viking, Celtic, and early American civilizations.
LEARN MORE