William Neylon(d 1678) parents were Daniel Neylon (1614-1639) and Marie Rua McMahon of Clonderlaw. They lived in Dysert O' Dea County Clare. He had a son Daniel (1685) and a son Francis Patrick (1671-1734) who married COuntess Barbara Browne . He was a major - general in the Austrian Army , later titled Baron O Neillan. I guess he departed Ireland after the Cromwellian Wars.