Dermot Ó Seachnasaigh

Sir Dermot Ó Seachnasaigh, Chief of the Name, died 1606. He was a son of Sir Ruaidhrí Gilla Dubh Ó Seachnasaigh and Lady Honora O'Brien, daughter of Murrough O'Brien, 1st Earl of Thomond.

Ó Seachnasaigh was in contention with his elder but illegitimate brother, John Ó Seachnasaigh, who till 1585 claimed lordship of Cenél Áeda. The two brothers travelled to Dublin to attend the 1585 Parliament, after which no more is heard of John until 1601.

Sir Dermot married Shyly Ni Hubert, and had issue Roger Gilla Dubh (born 1583), Dathi, William, Joan, Julia and Honora.

References

Preceded by
Liam Ó Seachnasaigh
Lord of Cenél Áeda na hEchtge
before 1579-1606
Succeeded by
Roger Gilla Dubh Ó Seachnasaigh
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