Dermot mac Tadhg Mor, 7th king of

Moylurg {{Use dmy dates, date=April 2022 Magh Luirg or Magh Luirg an Dagda, Anglicised as Moylurg, was the name of a medieval Irish kingdom located in modern-day County Roscommon, Ireland. It was a sub-kingdom of the kingdom of Connacht from c. 956–1585. ...

, reigned from 1124 to 1159. Vassal and kinsman of the O Conchobhair

Kings of Connacht The Kings of Connacht were rulers of the ''cóiced'' (variously translated as portion, fifth, province) of Connacht, which lies west of the River Shannon, Ireland. However, the name only became applied to it in the early medieval era, being named ...

. Dermot was the progenitor of the

MacDermot Mac Diarmada (anglicised as MacDermot or McDermott), also spelled Mac Diarmata, is an Irish surname, and the surname of the ruling dynasty of Moylurg, a kingdom that existed in Connacht from the 10th to 16th centuries. The last ruling king was T ...

family, as well as its offshoot septs such as

MacDermot Roe MacDermot Roe (MacDiarmata Ruadh) is the name of a sept of the MacDermot Kings of Moylurg. Tracing their origin to 1266, the MacDermots Roe (MacDiarmata Ruadh) of Ireland served as Biatachs General of the Kingdom of Connacht and were the princi ...

McDonagh The surname McDonagh, also spelled MacDonagh is from the Irish language Mac Dhonnchadha, and is now one of the rarer surnames of Ireland. Mac Dhonnchadha, Mac Donnchadha, Mac Donnacha or Mac Donnchaidh is the original form of McDonagh These sur ...

, and

Crowley (surname) Crowley is a surname, which was traditionally pronounced in English but is now often pronounced . In Ireland, the name was first found in Moylurg, in County Roscommon, where it started as a branch of the MacDermots. It is from Teige, a Prince o ...

References

* "Mac Dermot of Moylurg: The Story of a Connacht Family", Dermot Mac Dermot, 1996. * http://www.macdermot.com/ Connachta 1159 deaths 12th-century Irish monarchs People from County Roscommon MacDermot family {{Ireland-royal-stub