Riannon, derived from the Irish 'Rianghan,' is a rare and enchanting feminine given name. It possesses a unique blend of musicality and strength, with its sound evoking images of flowing waters or gentle breezes. The name's origin in Irish folklore adds to its mystique. Riannon was the wife of Manannán mac Lir, the sea god in Celtic mythology, further imbuing this name with an air of mystery and timelessness.
"Riannon saw its highest number of births in the years 1987 and 1992 with 14 and 11 respectively. The name's popularity peaked during the late 1970s to mid-1980s, with a total of 250 babies named Riannon born between 1977 and 2006."