Diarmait mac Ruaidrí Ó Conchobair, Prince

Prince

Prince is a general term for a ruler, monarch or member of a monarch's or former monarch's family, and is a hereditary title in the nobility of some European states. The feminine equivalent is a princess...

 of Connacht

Connacht

Connacht , formerly anglicised as Connaught, is one of the Provinces of Ireland situated in the west of Ireland. In Ancient Ireland, it was one of the fifths ruled by a "king of over-kings" . Following the Norman invasion of Ireland, the ancient kingdoms were shired into a number of counties for...

, died 1221.

Diarmait was one of the younger sons of King of Ireland

King of Ireland

A monarchical polity has existed in Ireland during three periods of its history, finally ending in 1801. The designation King of Ireland and Queen of Ireland was used during these periods...

, Ruaidrí Ua Conchobair

Ruaidrí Ua Conchobair

Ruaidrí Ua Conchobair , often anglicised Rory O'Connor, reigned as King of Connacht from 1156 to 1186, and from 1166 to 1198 was the last High King before the Norman invasion of Ireland .Ruaidrí was one of over twenty sons of King...

 (died 1198).

The Annals of the Four Masters

Annals of the Four Masters

The Annals of the Kingdom of Ireland or the Annals of the Four Masters are a chronicle of medieval Irish history...

, sub anno 1203, say of him:

• Murtough the Teffian, son of Conor Moinmoy, who was the son of Roderic O'Conor, was slain by Dermot, the son of Roderic, and Hugh, the son of Roderic, namely, by his own two paternal uncles, on the green of Kilmacduagh
  Kilmacduagh
  Kilmacduagh is a small village in south County Galway, near Gort, in Ireland. It is best known for Kilmacduagh monastery, seat of the Diocese of that name. The diocese is now part of the Diocese of Galway and Kilmacduagh in the Roman Catholic Church and in the Diocese of Limerick and Killaloe in...
  
  .

The Annals of Lough Ce

Annals of Lough Cé

The Annals of Loch Cé cover events, mainly in Connacht and its neighbouring regions, from 1014 to 1590. It takes its name from Lough Cé in the kingdom of Moylurg - now north County Roscommon - which was the centre of power of the Clan MacDermot...

 give an account of Diarmait's death:

Diarmaid, son of Ruaidhri, son of Toirdhelbhach Mór O'Conchobhair, was slain by Thomas Mac Uchtraigh as he was coming from Insi-Gall, whilst collecting a fleet for the purpose of acquiring the sovereignty of Connacht; and this was a great pity, viz.:—the materies of a king of Erinn to fall so before his time.

Insi Gall was either the Hebrides

Hebrides

The Hebrides comprise a widespread and diverse archipelago off the west coast of Scotland. There are two main groups: the Inner and Outer Hebrides. These islands have a long history of occupation dating back to the Mesolithic and the culture of the residents has been affected by the successive...

 or the Isle of Man

Isle of Man

The Isle of Man , otherwise known simply as Mann , is a self-governing British Crown Dependency, located in the Irish Sea between the islands of Great Britain and Ireland, within the British Isles. The head of state is Queen Elizabeth II, who holds the title of Lord of Mann. The Lord of Mann is...

, both of which compromised the Kingdom of Mann and the Isles, ruled in 1221 by Ragnald IV (1187–1226).

Diarmait's recorded children were sons Diarmait (fl.

Floruit

Floruit , abbreviated fl. , is a Latin verb meaning "flourished", denoting the period of time during which something was active...

1237), Donnchad (fl. 1237), Muirchertach (k. 1237) and Cormac.

External links

• http://www.ucc.ie/celt/published/T100010A/index.html