Murchad mac Diarmata (English: Murrough MacDermot) (died 1070) was a late eleventh-century ruler of the kingdoms of

Leinster Leinster ( ; or ) is one of the four provinces of Ireland, in the southeast of Ireland. The modern province comprises the ancient Kingdoms of Meath, Leinster and Osraige, which existed during Gaelic Ireland. Following the 12th-century ...

Dublin Dublin is the capital and largest city of Republic of Ireland, Ireland. Situated on Dublin Bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, and is bordered on the south by the Dublin Mountains, pa ...

, and the Isles. He was a member of the Uí Chennselaig, and a son of Diarmait mac Máel na mBó, King of Leinster (died 1072). Murchad had three sons: Domnall (died 1075), Donnchad (died 1115), and Énna. He is the

eponymous An eponym is a noun after which or for which someone or something is, or is believed to be, named. Adjectives derived from the word ''eponym'' include ''eponymous'' and ''eponymic''. Eponyms are commonly used for time periods, places, innovati ...

founder of the Meic Murchada, a branch of the Uí Chennselaig who adopted the surname ''Mac Murchada'' (MacMurrough, MacMorrow, Morrow). Murchad led an army into the

Kingdom of Meath Meath ( ; ; ) was a kingdom in Ireland from the 1st to the 12th century AD. Its name means "middle," denoting its location in the middle of the island. At its greatest extent, it included all of County Meath (which takes its name from the k ...

in July 1069 "where he burned territories and churches", he was however badly wounded by Feichin, a defender. It was probably these injuries, or complications, that led to Murchad's death in 1070. He was then buried in Áth Cliath, near what is now Dublin.

Murchad's death in the ''
Annals of the Four Masters The ''Annals of the Kingdom of Ireland'' () or the ''Annals of the Four Masters'' () are chronicles of Middle Ages, medieval Irish history. The entries span from the Genesis flood narrative, Deluge, dated as 2,242 Anno Mundi, years after crea ...
''

Sources

*http://www.ucc.ie/celt/published/T100005B/index.html *"Irish Kings and High Kings", Francis John Byrne, Dublin, 1973. *Ancestral Roots of Certain American Colonists Who Came to America Before 1700 by Frederick Lewis Weis, Line 175–4. 1070 deaths 11th-century rulers of the Kingdom of the Isles People from County Wexford 11th-century Irish monarchs Kings of Leinster Monarchs of Dublin MacMorrough Kavanagh dynasty Uí Ceinnselaig Year of birth unknown Monarchs killed in action {{Ireland-royal-stub