I have Casey ancestors who emigrated to Brisbane (not sure of dates), who married into McNamara and O'Grady families in Australia and Ireland. One of my Casey relatives, Mary 'Minnie' Casey married a Patrick McNamara, I don't know if in Australia or Ireland. I've been told by Minnie's great grandson Shane (who lives in Brisbane today) that in Clare the McNamaras and Caseys were neighbors, as well as the O'Gradys living in same area. If there is any connection here, please let me know as I would be glad to swap info....Thanks!!!