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

King Toirdhealbhach Bog O'Brien 1395 – 1459 – Genealogical Records

Birth Date: 1395

Birth Location: Ennis, County Clare, Ireland

Death Date: Apr 1459

Death Location: Ennis, Clare, Ireland

Father: King Briain

Mother: Lady MacNamara

Spouse(s):

Children(s): King Briain

In 1395, King Toirdhealbhach Bog O'Brien , King of Thomond entered the world in Ennis, County Clare, Ireland, born to King Brian Sreamhach Ó Briain and Lady Slaine MacNamara. King Toirdhealbhach Bog O'Brien , King of Thomond had children including King Tadhg an Chomhaid Ó Briain. King Toirdhealbhach Bog O'Brien , King of Thomond passed away in 1459 in Ennis, Clare, Ireland.

Find more search results for King O'Brien
KO

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 1395, King Toirdhealbhach Bog O'Brien , King of Thomond entered the world in Ennis, County Clare, Ireland, born to King Brian Sreamhach Ó Briain and Lady Slaine MacNamara.
  • King Toirdhealbhach Bog O'Brien , King of Thomond had children including King Tadhg an Chomhaid Ó Briain.
  • King Toirdhealbhach Bog O'Brien , King of Thomond passed away in 1459 in Ennis, Clare, Ireland.

Immediate Family

Parents

King Briain
1355 – 1400
Birth Location: Ennis, Clare, Munster, Ireland
KB
Lady MacNamara
1372 – 1460
Birth Location: Ennis, Clare, Munster, Ireland
LM

Spouses(s)

Children(s)

King Briain
1425 – 1466
Birth Location: Boirinn, County Clare, Ireland
KB

King O'Brien's Ancestors

Self
King O'Brien
1395 – 1459
Birth Place: Ennis, County Clare, Ireland
Parents
King Brian Sreamhach Ó Briain
1355 – 1400
Ennis, Clare, Munster, Ireland
Lady (Slaine) MacNamara
1372 – 1460
Ennis, Clare, Munster, Ireland
Grandparents
King (Maithan Maon) O'Brien
1315 –
Ennis, Clare, Munster, Ireland
Queen (Winifred) O'Connor
1330 –
Corcumruadh, Donegal, Ulster, Ireland
Great-Grandparents
King Briain
– 1343
Queen Gormáin
1285 – 1367
2nd-Great-Grandparents
King O'Brien
1245 – 1306
Queen Mor
1270 –

King O'Brien's Descendants

1.
KO
King (Toirdhealbhach Bog) O'Brien (1395 – Apr 1459)
  1. 1. King (Tadhg an Chomhaid Ó) Briain (1425 – Apr 1466) m. Lady (Anabella de) Burgh (Abt. 1425 – 1466)
    1. 1. King (Toirdhealbhach Mac-I-Brien-Ara) O'Brien (12 Sep 1450 – 29 Jul 1528) m. Lady (Ellen) Fitzgerald (Abt. 1450 – Aft. 14 Nov 1497)
      1. 1. Lady (Amy) O'Brien (1490 – Before 1537) m. Lord (James Fitzgerald ( FitzMaurice ) 10th Earl of) DESMOND (1485 – 18 January 1528)
        1. 1. Lady (Jean "Joan") FitzGerald (1510 – 2 January 1565) m. Lord (Francis ‘The Vicar of Hell’) Bryan (1 Jun 1490 – 2 Feb 1570) m. James Butler (1495 – 15 January 1538)

King O'Brien's Timeline

2 Records

1395
1395
Birth of King Toirdhealbhach Bog O'Brien , King of Thomond in Ennis, County Clare, Ireland
Ennis, County Clare, Ireland
1459
Apr 1459
Age 64
Death of King Toirdhealbhach Bog O'Brien , King of Thomond in Ennis, Clare, Ireland
Ennis, Clare, Ireland

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 1395
    Event Place: Ennis, County Clare, Ireland

    Genealogy Event 2
    Event Type: Death
    Event Date: Apr 1459
    Event Place: Ennis, Clare, Ireland
Find more search results for King O'Brien

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