Fearghal Ó Taidg an Teaghlaigh

Fearghal Ó Taidg an Teaghlaigh, Chief of the Name, Marshal and bodyguard of King Cathal Crobhdearg Ua Conchobair of Connacht and his successor, Aedh, died 1226.

Ó Taidg was a descendant of King Tadg mac Cathal of Connacht (reigned 925–956), and was thus distant related to the Ua Conchobair (O'Connor) ruling dynasty. His family were one of a number of septs of the Síol Muireadaigh, which included clans such as Geraghty (Mac Airechtaig), Moran, Flanagan, Mulrooney, and MacDermot.

Two early members of the family are listed in the Annals of the Four Masters sub anno 965 and 1048:

The Ó Taidg family ruled an area in mid-County Galway, which was called Clann Taidg after them. It appears to have come into existence during a wave of expansion by the Uí Briúin in the middle decades of the 10th century. Previously part of Uí Briúin Seóla, the Ó Taidg's are believed to have become its lords sometime in the mid-12th century. By 1241 much of the area was seized by Meyler de Bermingham, who made Athenry the seat of his lordship.

By the early 12th century the family added the suffix an Teaghlaigh to their surname. It derived from the fact that the family were household chiefs and bodyguards of the Kings of Connacht. The earliest record of the term occurred in 1132, when

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