Tomaltach na Cairge MacDermot was the 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. ...

from 1197 until his death in 1207.

Overview

One of Tomaltach's sons, Donnchadh, was the progenitor of the MacDonagh sept. The family later became Kings or Lords of Tirerril in Co. Sligo; the first to be known as such was Tomaltach Mac Donnchadh, Donnchadh MacDermot's grandson, alive in 1315.

Annalistic extract

The following incident is recounted in the annals concerning the MacDermots and their O Mulroony kinsmen: ''"Crech mor la Cathal Carrach mac Diarmata mic Taidhg, ar Chorbmac mac Tomaltaigh Mic Diarmata, & ar Ua f-Floinn Eassa, co ruccsat drem do Connachtaibh fair, .i. Diarmait mac Maghnusa mic Muircertaigh Uí Choncobhair, & Corbmac mac Tomaltaigh, Concobhar God O h-Eghra tigherna Luighne, & Donnchadh Ua Dubhda tighearna Ua n-Amhalgadha, & Ua f-Fiachrach go ro chuirsiot cliathaidh go ro muidh for Cathal Charrach, & go ro gabhadh é fein, & go ro dalladh, & ro marbhadh Muirghes a mhac, & Mac Chonghránna Uí Fhlannaccáin co sochaidhibh ele./Cathal Carragh, son of Dermot, who was son of Teige O'Mulrony, took a great prey from Cormac, son of Tomaltagh Mac Dermot, and O'Flynn of the Cataract, but was overtaken by some of the Connacians, namely, Dermot, son of Manus, who was son of Murtough O'Conor; Cormac, son of Tomaltagh; Conor God O'Hara, Lord of Leyny; and Donough O'Dowda, Lord of Tirawley and Tireragh; and a battle ensued, in which Cathal Carragh was defeated. He was taken prisoner, and blinded; and his son, Maurice, with the son of Cugranna O'Flanagan, and many others, were killed (in the battle)."''

mac Diarmata vs. Mac Diarmata

Tomaltach's correct

surname In some cultures, a surname, family name, or last name is the portion of one's personal name that indicates one's family, tribe or community. Practices vary by culture. The family name may be placed at either the start of a person's full name ...

was Ó Maol Ruanaidh, his father being Diarmait Ó Maol Ruanaidh. The suffix ''mac Diarmata'' was at this point merely a

Patronymic A patronymic, or patronym, is a component of a personal name based on the given name of one's father, grandfather (avonymic), or an earlier male ancestor. Patronymics are still in use, including mandatory use, in many countries worldwide, alt ...

. Only in the generation subsequent to him and his brothers would it become a new surname,

Mac Diarmata 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 ...

References

* "Mac Dermot of Moylurg: The Story of a Connacht Family", Dermot Mac Dermot, 1996. * http://www.macdermot.com/ {{DEFAULTSORT:MacDermot, Tomaltach na Cairge 1207 deaths People from County Roscommon 12th-century Irish monarchs MacDermot family Year of birth unknown