Keenaght

Keenaght was the Gaelic lordship of the O'Cahan family around Derry and Coleraine in northern Ulster. In 1337 Roderick ruled as a vassal of the O'Neills of Tyrone.

His kin had the honour of casting a shoe over a new O'Neill chief's head at his inauguration. After the Flight of the Earls in 1607, the O'Cahans forfeited their land to the English crown. Their last chief, Donnell Ballagh O'Cahan, was imprisoned in the Tower of London, where he died in 1626. The lordship became part of the planted County Londonderry.