Riely is a contemporary given name of American origin, derived from the Irish surname Riley, which is an Anglicized form of the Gaelic Ó Maoilriagh, meaning "descendant of the cheerful or laughing chief." The name has gained popularity in recent years, particularly among parents seeking unique yet approachable names for their children. It is often associated with a modern, spirited, and independent character, reflecting its Irish heritage while also offering a fresh twist on traditional naming conventions.
The name Riely experienced varied popularity over the years with peaks in 2008 (16 births) and a decline in recent years, reaching its lowest point since 1996 in 2016 (7 births).