Updated June 9, 2019 Share: Boy name origins & meanings English : Wise ruler Boy name variations Raine Rain Raini Rains Raney Rayne How Popular Is The Name Rainey Family name origins & meanings Irish or Scottish : Anglicized form of Gaelic Ó Raighne, Ó Ráighne, from a personal name derived from the Old Norse name Rǫgnvaldr (see Ronald, Reynold). Famous people who gave their babies this name Andie McDowell