Petrus Ua Mórda (

Anglicised Anglicisation or anglicization is a form of cultural assimilation whereby something non-English becomes assimilated into or influenced by the culture of England. It can be sociocultural, in which a non-English place adopts the English language ...

: ''Peter O'Mordha, (O')More,'' or ''(O')Moore'') was

Bishop of Clonfert The Bishop of Clonfert () is an episcopal title which takes its name after the village of Clonfert in County Galway, Ireland. In the Roman Catholic Church it remains as a separate title; but in the Church of Ireland it has been united with oth ...

from circa 1150 to 1171. He appears to have been a member of a family from Ui Maine, one of the oldest and largest kingdoms located in

Connacht Connacht or Connaught ( ; or ), is the smallest of the four provinces of Ireland, situated in the west of Ireland. Until the ninth century it consisted of several independent major Gaelic kingdoms (Uí Fiachrach, Uí Briúin, Uí Maine, C ...

, Ireland. Ua Mórda was

abbot Abbot is an ecclesiastical title given to the head of an independent monastery for men in various Western Christian traditions. The name is derived from ''abba'', the Aramaic form of the Hebrew ''ab'', and means "father". The female equivale ...

of Grellach dá Iach, the first of three sites inhabited by the

Cistercians The Cistercians (), officially the Order of Cistercians (, abbreviated as OCist or SOCist), are a Catholic religious order of monks and nuns that branched off from the Benedictines and follow the Rule of Saint Benedict, as well as the contri ...

, and who finally settled at

Boyle Abbey Boyle Abbey () is a ruined Cistercian friary located in Boyle, County Roscommon, Ireland. It was founded by Saint Malachy in the year 1161 but not consecrated until 1218 (work was interrupted by the Anglo-Norman invasion of Ireland and it wa ...

. In around 1150 AD, he became

; styled as Bishop of Cluain-fearta-Brenainn or Bishop of Ui Maine. He was greatly esteemed as "a divine and learned monk". He drowned in the

River Shannon The River Shannon ( or archaic ') is the major river on the island of Ireland, and at in length, is the longest river in the British Isles. It drains the Shannon River Basin, which has an area of , – approximately one fifth of the area of I ...

(), near Port-da-Chaineg, on 27 December 1171. A

Dionysius Ó Mórdha Dionysius Ó Mórdha, Bishop of Clonfert The Bishop of Clonfert () is an episcopal title which takes its name after the village of Clonfert in County Galway, Ireland. In the Roman Catholic Church it remains as a separate title; but in the C ...

would be

from 1509 to 1534. The surname is nowadays rendered as Ó Mórdha and Moore.

References

Part 27 of Annals of the Four Masters

* * * MacLysaght, Edward (1978). ''The Surnames of Ireland''. * Christian clergy from County Galway Medieval Gaels from Ireland 12th-century Roman Catholic bishops in Ireland Bishops of Clonfert 1171 deaths Deaths by drowning Year of birth unknown Accidental deaths in Ireland {{Medieval-bishop-stub