Rileigh, pronounced 'rile-ee', is of American origin and has gained popularity as a unisex given name in recent years. It is believed to be derived from the Irish surname Riley, which is an Anglicized form of the Gaelic name Ó Maoilriáin. The name Riley itself means 'valiant' or 'courageous'. As a unisex name, Rileigh offers parents the flexibility to choose it for either a boy or girl. It has a modern, unique sound while still being easy to pronounce and spell. Some notable people with this name include American actor Rileigh Smith and Australian cricketer Rilee Rossouw.
"The name Rileigh experienced popularity spikes between 2004 to 2008 with consistent birth counts of 6 or more each year. After a slight dip in 2009 and 2011, the count rebounded to 6 in 2012. Over this span of 15 years, there were a total of 50 births."