YourRoots by Genomelink
banner

Sign up to explore more

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

Henry Grant Duncan 1883–1964 – Genealogical Records

Birth Date: 13 JAN 1883

Birth Location: Mandan, North Dakota

Death Date: JUN 1964

Death Location: Spearfish, SD

Father: Henry Duncan

Mother: Alice Duncan

Spouse(s):

Children(s):

The story of Henry Grant Duncan began in 1883 in Mandan, North Dakota. Henry Grant Duncan passed away in 1964 in Spearfish, SD.

Find more search results for Henry Duncan
HD

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:
B
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

  • The story of Henry Grant Duncan began in 1883 in Mandan, North Dakota.
  • Henry Grant Duncan passed away in 1964 in Spearfish, SD.

Immediate Family

Parents

Henry Duncan
1856–1931
Birth Location: Galena, Illinois
HD
Alice Duncan
1861–1948
Birth Location: Galena, Illinois
AD

Spouses(s)

Children(s)

Henry Duncan's Ancestors

Self
Henry Duncan
1883–1964
Birth Place: Mandan, North Dakota
Parents
Henry Osborne Duncan
1856–1931
Galena, Illinois
Alice Duncan
1861–1948
Galena, Illinois
Grandparents
Great-Grandparents
2nd-Great-Grandparents

Henry Duncan's Timeline

2 Records

1883
13 JAN 1883
Birth of Henry Grant Duncan in Mandan, North Dakota
Mandan, North Dakota
1964
JUN 1964
Age 81
Death of Henry Grant Duncan in Spearfish, SD
Spearfish, SD

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 13 JAN 1883
    Event Place: Mandan, North Dakota

    Genealogy Event 2
    Event Type: Death
    Event Date: JUN 1964
    Event Place: Spearfish, SD
Find more search results for Henry Duncan

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