YourRoots Logo
Sign up free
banner

Sign up to explore more

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

Sign up free

Thomas O'Neill 1619 – 1670 – Genealogical Records

Birth Date: 1619

Birth Location: Dungannon, Tyrone, Ireland

Death Date: 1670

Death Location: Lough Foyle, Ireland

Father: Sir O'Neill-Buidhe

Mother: LADY Crebilly

Spouse(s):

Children(s):

In 1619, Thomas O'Neill entered the world in Dungannon, Tyrone, Ireland, born to Sir Arthur McShane O'Neill-Buidhe and LADY GRACE O HARA of Crebilly. Thomas O'Neill passed away in 1670 in Lough Foyle, Ireland.

Find more search results for Thomas O'Neill
TO

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:
C
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 1619, Thomas O'Neill entered the world in Dungannon, Tyrone, Ireland, born to Sir Arthur McShane O'Neill-Buidhe and LADY GRACE O HARA of Crebilly.
  • Thomas O'Neill passed away in 1670 in Lough Foyle, Ireland.

Immediate Family

Parents

Spouses(s)

Children(s)

Thomas O'Neill's Ancestors

Self
Thomas O'Neill
1619 – 1670
Birth Place: Dungannon, Tyrone, Ireland
Parents
Sir Arthur McShane O'Neill-Buidhe
1570 – 1639
Shanes Castle, Antrim, Ireland
LADY (GRACE O HARA of) Crebilly
1569 – 1630
Dunluce Castle, Antrim, Ireland
Grandparents
Sir (Sean (Shane) McBrian) O'NEILL-BUIDHE
1550 – 1617
Edenduffcarick, North, Ireland
Melaghlin O'Hart-Magherow
1500 –
of the Route, Antrim County, Northern Ireland
Great-Grandparents
Earl O'Neill
1530 – 1617
Margaret Vardy
1535 – 1620
2nd-Great-Grandparents

Thomas O'Neill's Timeline

2 Records

1619
1619
Birth of Thomas O'Neill in Dungannon, Tyrone, Ireland
Dungannon, Tyrone, Ireland
1670
1670
Age 51
Death of Thomas O'Neill in Lough Foyle, Ireland
Lough Foyle, Ireland

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 1619
    Event Place: Dungannon, Tyrone, Ireland

    Genealogy Event 2
    Event Type: Death
    Event Date: 1670
    Event Place: Lough Foyle, Ireland

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