Ó Raghaill
Ó RAGHAILL—I—O Raghell, O Reile, O Ryle, O Reale, O Raile, O'Rahill, Rahill, Reihill, Ryle, Ryall, Rall, Rail, Riall, Real, Reel, &c.; a shortened form of Ó Raghallaigh, which see; sometimes also pronounced Ó Rághaill, Ó Raighill, Ó Ráighill, Ó Raoghaill, Ó Reighill, &c.
Alphabetical Index to Irish Surnames