The Clanricarde married the daughter of Ó Madadhan of Síol Anmchadha – a vassal of the Ui Cellaigh within their kingdom.
[citation needed] Ó Madadhan's residence was Portumna, which became the new home of the Clanricardes, who abandoned the town of Loughrea.
[citation needed] The Mac an Iarla wars, which flared up regularly between c. 1544 and 1583, greatly disturbed and occasionally devastated the Ui Maine.
By the early 17th century much of its political independence was destroyed and it fell fully within the ambit of the Anglo-Irish administration based in Dublin.
The clan, in common with dozens of other Gaelic-Irish, and some Anglo-Irish families, has had am asserted "senior" figure, selected by primogeniture, called The Ó Cellaigh (or, The O'Kelly), ever since.