Moroney, ó Morruanaidh, ó Maolruanaidh
The Gaelic surname ó Maolruanaidh meaning follower of Ruanaidh has been corrupted to ó Morruanaidh in Thomand. This is a sept of the Dál gCais. In 1890 the surname was principally found in Clare, Limerick and Tipperary, and the estimated number of bearers was 1,970.