Rye clearing or courageous
Rilea is a modern phonetic variant of Riley. It likely stems from the Old English elements 'ryge', meaning rye, and 'leah', meaning wood or clearing. Alternatively, it is often associated with the Irish surname O'Reilly, which implies courage or valiance.
Less common today
Rilea isn't in the latest US Top 1000. It last peaked at #10,835 in 2002.
US births per 5-year period, 1990βpresent (SSA data).