Donnchad mac Gilla Pátraic (Donagh MacGillapatrick) (died 1039), was

King of Osraige The kings of Osraige (alternately spelled ''Osraighe'' and Anglicised as ''Ossory'') reigned over the medieval Irish kingdom of Osraige from the first or second century AD until the late twelfth century. Osraige was a semi-provincial kingdom in s ...

and King of Leinster.

Life and reign

His father was Gilla Pátraic mac Donnchada. He took the throne of

Osraige Osraige (Old Irish) or Osraighe (Classical Irish), Osraí (Modern Irish), anglicized as Ossory, was a medieval Irish kingdom comprising what is now County Kilkenny and western County Laois, corresponding to the Diocese of Ossory. The home of ...

prior to 1027 and was active militarily. He blinded his brother Tadc, thus eliminating him from succession. King Donnchad inflicted a slaughter on the

Dál gCais The Dalcassians ( ) are a Gaels, Gaelic Irish clan, generally accepted by contemporary scholarship as being a branch of the Déisi Muman, that became very powerful in Ireland during the 10th century. Their genealogies claimed descent from Tál ...

and

Eóganachta The Eóganachta (Modern , ) were an Irish dynasty centred on Rock of Cashel, Cashel which dominated southern Ireland (namely the Kingdom of Munster) from the 6/7th to the 10th centuries, and following that, in a restricted form, the Kingdom of De ...

, led by

Donnchad mac Briain Donnchadh mac Briain (old spelling: Donnchad mac Briain) (died 1064), son of Brian Boru, Brian Bóruma and Gormflaith ingen Murchada, was King of Munster. Background Brian Bóruma was the first man to establish himself as High King of Ireland by ...

in a predatory incursion into Osraige. Brian's son launched a second expedition into Osraige again in 1031, in which he was again defeated by Mac Gilla Pátraic. Mac Briain was successful in his third attack on Osraige in 1034. He took the throne of Leinster in 1033 and held the Fair of Carman, a prerogative of the kings of Leinster. In 1039, Donnchadh led a combined force of Ossorians and the Leinstermen, raiding and burning as far as Knowth and Drogheda. The Annals of Tigernach eulogize him as "''overking of Leinster and Ossory, champion of Ireland''".

Legacy

A daughter of Gilla Pátraic was Aífe, mother of Diarmait mac Máel na mBó, King of Leinster (died 1072). Aside from being the ancestor of later Fitzpatricks, he is considered the ancestor and namesake of the (O')Dunphys of Ossory, also called (O')Donoghoes.

References

External links

The Fitzpatrick – Mac Giolla Phádraig Clan Society
FitzPatrick dynasty 1039 deaths 11th-century Irish monarchs Kings of Osraige {{Ireland-royal-stub