Donn Cothaid mac Cathail

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Donn Cothaid mac Cathail, King of Connacht, died 773.[1]

Donn Cothaid was a King of Connacht from the Ui Fiachrach Muaidhe branch of the Connachta. He was the great-grandson of Dúnchad Muirisci mac Tipraite (died 683).[2] He was the last member of this branch to hold the throne of Connacht and ruled from 768 to 773.

Descendants[edit]

Donn Cothaid's son, Connmhach mac Duinn Cothaid (died 787), was a later king of the Ui Fiachrach. A grandson, Dubda mac Conmac, was grandfather of Aed Ua Dubhda, eponym and ancestor of the O'Dowd Chiefs of the Name.

Family tree[edit]

 
 
Fidach, King of Munster
 
 
 
 
 
 
 
See Connachta
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Crimthann mac Fidaig
King of Munster and High King of Ireland
 
Mongfind
 
 
 
 
 
Eochaid Mugmedon
 
 
 
 
Cairenn
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Brion
 
Fiachrae
 
Ailill
 
Niall Noígíallach, died c.450.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
See Uí Briúin
 
(Uí Fiachrach)
 
See Uí nAilello
 
See Uí Néill
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Amalgaid
King of Connacht
 
Nath Í
King of Connacht
 
Macc Ercae
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Fiachnae
 
Ailill Molt, d.482.
King of Connacht and probably High King of Ireland
 
Echu
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(Uí Fiachrach Muaidhe)
 
 
 
 
 
 
See Uí Fiachrach Aidhne
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Elgach
 
?
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Maeldubh
 
Eógan Bél
King of Connacht
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Tipraite
 
Ailill Inbanda
King of Connacht
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Dúnchad Muirisci
King of Connacht
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Indrechtach, d.707
King of Connacht
 
 
 
Ailill
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Ailill Medraige, d.764
King of Connacht
 
 
 
Cathal
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cathal, d.816
 
 
 
Donn Cothaid mac Cathail, d.787
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Connmhach
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Caomhán
 
Dubda
 
 
 
 
 
 
 

Notes[edit]

  1. ^ all dates per The Chronology of the Irish Annals, Daniel P. McCarthy
  2. ^ Francis J.Byrne, Irish Kings and High-Kings, Table 18

See also[edit]

References[edit]

  • Annals of Ulster
  • Francis J.Byrne, Irish Kings and High-Kings
  • The Chronology of the Irish Annals, Daniel P. McCarthy

External links[edit]