YourRoots by Genomelink
banner

Sign up to explore more

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

John Joseph Dempsey 1874–1918 – Genealogical Records

Birth Date: Feb 1874

Birth Location: New Jersey, USA

Death Date: 24 March 1918

Death Location: Butte, Silver Bow County, Montana, United States of America

Father: Mathew Dempsey

Mother: Mary Dempsey

Spouse(s): Ester Styles

Children(s): Lloyd Berminghamof, Ada Rogan, John Dempsey

In 1874, John Joseph Dempsey entered the world in New Jersey, USA, born to Mathew Dempsey And Mary Dempsey. In 1880, John Joseph Dempsey resided in Mount Pleasant, Morris, New Jersey, USA. In 1900, John Joseph Dempsey resided in Butte Ward 1, Silver Bow, Montana, USA. John Joseph Dempsey married Ester Campbell Rogan Dempsey Cullen Styles, and had children including Ada Rogan, John Joseph Dempsey, Lloyd Berminghamof. John Joseph Dempsey passed away in 1918 in Butte, Silver Bow County, Montana, United States of America.

Find more search results for John Dempsey
JD

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

  • In 1874, John Joseph Dempsey entered the world in New Jersey, USA, born to Mathew Dempsey And Mary Dempsey.
  • In 1880, John Joseph Dempsey resided in Mount Pleasant, Morris, New Jersey, USA.
  • In 1900, John Joseph Dempsey resided in Butte Ward 1, Silver Bow, Montana, USA.
  • John Joseph Dempsey married Ester Campbell Rogan Dempsey Cullen Styles, and had children including Ada Rogan, John Joseph Dempsey, Lloyd Berminghamof.
  • John Joseph Dempsey passed away in 1918 in Butte, Silver Bow County, Montana, United States of America.

Immediate Family

Parents

Spouses(s)

Children(s)

John Dempsey's Ancestors

Self
John Dempsey
1874–1918
Birth Place: New Jersey, USA
Parents
Mathew Dempsey
1846–1900
Ireland
Mary Dempsey
1858–
Ireland
Grandparents
James Dempsey
1816–1871
Sally Dionne
1821–
Great-Grandparents
2nd-Great-Grandparents

John Dempsey's Descendants

1.
JD
John (Joseph) Dempsey (Feb 1874–24 March 1918) m. Ester (Campbell Rogan Dempsey Cullen) Styles (19 Oct 1869–1 June 1941)
  1. 1. Lloyd Berminghamof 1890–1981
  2. 2. Ada Rogan 1898–1898
  3. 3. John (Joseph) Dempsey 1914–1999 m. Dorothy (Lucille Moline) Dempsey 1916–2008

John Dempsey's Timeline

5 Records

1874
Feb 1874
Birth of John Joseph Dempsey in New Jersey, USA
New Jersey, USA
1880
1880
Age 6
John Joseph Dempsey resided here in Mount Pleasant, Morris, New Jersey, USA
Mount Pleasant, Morris, New Jersey, USA
1900
1900
Age 26
John Joseph Dempsey resided here in Butte Ward 1, Silver Bow, Montana, USA
Butte Ward 1, Silver Bow, Montana, USA
1910
1910
Age 36
John Joseph Dempsey resided here in Butte Ward 1, Silver Bow, Montana, USA
Butte Ward 1, Silver Bow, Montana, USA
1918
24 March 1918
Age 44
Death of John Joseph Dempsey in Butte, Silver Bow County, Montana, United States of America
Butte, Silver Bow County, Montana, United States of America

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: Feb 1874
    Event Place: New Jersey, USA
    Record Source:
    [1] 1880 United States Federal Census
    [2] 1900 United States Federal Census, Year: 1900; Census Place: Butte Ward 1, Silver Bow, Montana; Roll: 914; Page: 8; Enumeration District: 0099
    [3] 1910 United States Federal Census, Year: 1910; Census Place: Butte Ward 1, Silver Bow, Montana; Roll: T624_836; Page: 11a; Enumeration District: 0090; FHL microfilm: 1374849
    [4] U.S., Find a Grave® Index, 1600s-Current
    [5] Montana, U.S., County Births and Deaths, 1830-2011, Montana State Historical Society; Helena, Montana; Montana, County Births and Deaths, 1830-2011
    [6] Montana, U.S., County Marriages, Montana State Historical Society; Helena, Montana; Montana, County Marriages, 1865-1950
    [7] Montana, U.S., Birth Records, Montana Department of Public Health and Human Services; Helena, Montana; Montana, Birth Records, 1871-1919; Box Number: 44

    Genealogy Event 2
    Event Type: Residence
    Event Date: 1880
    Event Place: Mount Pleasant, Morris, New Jersey, USA
    Record Source: 1880 United States Federal Census

    Genealogy Event 3
    Event Type: Residence
    Event Date: 1900
    Event Place: Butte Ward 1, Silver Bow, Montana, USA
    Record Source: 1900 United States Federal Census, Year: 1900; Census Place: Butte Ward 1, Silver Bow, Montana; Roll: 914; Page: 8; Enumeration District: 0099

    Genealogy Event 4
    Event Type: Residence
    Event Date: 1910
    Event Place: Butte Ward 1, Silver Bow, Montana, USA
    Record Source: 1910 United States Federal Census, Year: 1910; Census Place: Butte Ward 1, Silver Bow, Montana; Roll: T624_836; Page: 11a; Enumeration District: 0090; FHL microfilm: 1374849

    Genealogy Event 5
    Event Type: Death
    Event Date: 24 March 1918
    Event Place: Butte, Silver Bow County, Montana, United States of America
    Record Source:
    [1] Montana, U.S., State Deaths, Montana Department of Public Health and Human Services; Helena, Montana; Montana, Death Index, 1868-2015
    [2] U.S., Find a Grave® Index, 1600s-Current

    Genealogy Event 6
    Event Type: Burial
    Event Place: Butte, Silver Bow County, Montana, United States of America
    Record Source: U.S., Find a Grave® Index, 1600s-Current

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