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Brian Barnabas Macdonnchadha O'Brien 1590–1657 – Genealogical Records

Birth Date: 1590

Birth Location: Thomond, County Clare, Connaught, Ireland

Death Date: 15 November 1657

Death Location: Ireland, Ireland

Father: Donogh O'Brien

Mother: Elizabeth Thomond

Spouse(s): Mary Fermor

Children(s): Henry Seymour, Francis Brien, Margaret O'Brien, Elizabeth O'Brien, Lady o'brien, Lady O'Brien

In 1590, Brian Barnabas Macdonnchadha O'Brien entered the world in Thomond, County Clare, Connaught, Ireland, born to Donogh O Brien And Elizabeth Eveleen Fitzgerald Countess Of Thomond. Brian Barnabas Macdonnchadha O'Brien married Mary Fermor, and had children including Elizabeth O Brien, Francis O Brien, Henry Eliz O Brien Earl Of Thomond Baron Of Ibrican In Ireland Viscount Tadcaster Seymour, Lady Anne O Brien Spouse Of Henry O Brien, Lady Mary O Brien, Margaret O Brien. Brian Barnabas Macdonnchadha O'Brien passed away in 1657 in Ireland, Ireland.

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BO

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

  • In 1590, Brian Barnabas Macdonnchadha O'Brien entered the world in Thomond, County Clare, Connaught, Ireland, born to Donogh O Brien And Elizabeth Eveleen Fitzgerald Countess Of Thomond.
  • Brian Barnabas Macdonnchadha O'Brien married Mary Fermor, and had children including Elizabeth O Brien, Francis O Brien, Henry Eliz O Brien Earl Of Thomond Baron Of Ibrican In Ireland Viscount Tadcaster Seymour, Lady Anne O Brien Spouse Of Henry O Brien, Lady Mary O Brien, Margaret O Brien.
  • Brian Barnabas Macdonnchadha O'Brien passed away in 1657 in Ireland, Ireland.

Immediate Family

Parents

Donogh O'Brien
1560–1624
Birth Location: Cork, County Cork, Cork, Munster, Ireland
DO
Elizabeth Thomond
1560–1617
Birth Location: Leinster, Kildare, Leinster, Ireland
ET

Spouses(s)

Mary Fermor
1591–1675
Birth Location: Easton Neston, Northamptonshire, England, United Kingdom
MF

Children(s)

Henry Seymour
1618–1691
Birth Location: Thomond, County Clare, Connaught, Ireland
HS
Francis Brien
1617–1627
Birth Location: Easton Neston, Northamptonshire, England
FB
Margaret O'Brien
1611–1681
Birth Location: Clare, Ireland
MO
Elizabeth O'Brien
1616–1656
Birth Location: Ireland
EO
Lady o'brien
1615–1644
Birth Location: Clare, Ireland
Lo
Lady O'Brien
1610–1686
Birth Location: Thomond, Clare, Ireland
LO

Brian O'Brien's Ancestors

Self
Brian O'Brien
1590–1657
Birth Place: Thomond, County Clare, Connaught, Ireland
Parents
Donogh O'Brien
1560–1624
Cork, County Cork, Cork, Munster, Ireland
Elizabeth (Eveleen” FitzGerald Countess of) Thomond
1560–1617
Leinster, Kildare, Leinster, Ireland
Grandparents
Third (Earl of Thomond Conor, " The Long-nailed" (Conchobhar Macdonnchadha) O'Brien\O'Brian, His right to the lordship of Thomond was disputed by his uncle, Donnell; confirmed in his possessions by Thomas Radclyffe, 3rd) E
1534–1581
Clare, Clare, Ireland or Munster, Clare, Ireland
Gerald Fitzgerald
1525–1585
London, Middlesex, Englalnd, London, England, United Kingdom
Mabel Browne
1536–1610
Eastbourne, Sussex, East Sussex, England, United Kingdom
Great-Grandparents
Sir Kildare
1487–1534
Lady Kildare
1479–1517
2nd-Great-Grandparents
John Codnor
1430–1508
Elizabeth Grey
1399–1454

Brian O'Brien's Descendants

1.
BO
Brian (Barnabas Macdonnchadha) O'Brien (1590–15 November 1657) m. Mary Fermor (12 March 1591–13 April 1675)
  1. 1. Henry (Eliz. O'Brien, Earl of Thomond, Baron of Ibrican in Ireland, Viscount Tadcaster) Seymour 1618–1691 m. Anne (O'Brien) Countess 1621–1645 m. Lady (Sarah) Reynolds 1639–1715
    1. 1. Lady (Aubery Anne Penelope O'Brien) MacDonald 1640–1702 m. Henry (Mordaunt 2nd EARL of) PETERBOROUGH 1621–1697
      1. 1. Mary Mordaunt 1650–1721 m. Bryan (O'Cahan) (Keane) 1650–1714
        1. 1. Robert (Keane) (O'Cahan) 1675–1756 m. Anne (Creagh) Creighe 1681–1769
        2. 2. Daniel O'Cahan 1675–
        3. 3. Brian O'Cahan 1675–
        4. 4. Andrew O'Cahan 1687–1755
        5. 5. Nicholas O'Cahan 1685–1745
        6. 6. Charles O'Cahan 1673–1706
        7. 7. Eugene (Owen) O'Cahan 1671–1693
      2. 2. Henry Howard 1695–
      3. 3. Elizabeth Mordaunt 1653–1676
      4. 4. HER (GRACE Mary Mordaunt 7th BARONESS Mordaunt, DUCHESS of) NORFOLK 1660–1705
    2. 2. Lord (Henry O'Brien, Lord Ibrackan, Lord) O'Brien 1638–1678
    3. 3. Lady (Auberie "Anne" Penelope) O'Brien 1640–1702
    4. 4. Lord (Henry Horatio) O'Brien 1642–1678
  2. 2. Francis (O) Brien 1617–1627
  3. 3. Margaret O'Brien 1611–1681
  4. 4. Elizabeth O'Brien 1616–1656
  5. 5. Lady (Anne () O'BRIEN spouse of henry) o'brien 1615–1644
  6. 6. Lady (Mary) O'Brien 1610–1686

Brian O'Brien's Timeline

2 Records

1590
1590
Birth of Brian Barnabas Macdonnchadha O'Brien in Thomond, County Clare, Connaught, Ireland
Thomond, County Clare, Connaught, Ireland
1657
15 November 1657
Age 67
Death of Brian Barnabas Macdonnchadha O'Brien in Ireland, Ireland
Ireland, Ireland

Sources

    Genealogy Event 1
    Event Type: Birth
    Event Date: 1590
    Event Place: Thomond, County Clare, Connaught, Ireland
    Record Source: Geneanet Community Trees Index

    Genealogy Event 2
    Event Type: Death
    Event Date: 15 November 1657
    Event Place: Ireland, Ireland
    Record Source: Geneanet Community Trees Index
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