De Carraig
de CARRAIG—XI—de Carricke, de Carrig, Carrick, Craig, etc., and by translation Rock; Norman 'de Carraig,' i.e., of Carrick, a common place-name in Ireland and Scotland, meaning 'the rock'; a not uncommon surname in Ireland in the 13th century. But see Mac Conchairrge and Mac Conchathrach, which are similarly anglicised.
Alphabetical Index to Irish Surnames