Riley \r(i)-ley\ as a boy's name (also used as girl's name Riley), is pronounced RYE-lee. It is of Old English origin, and the meaning of Riley is "rye clearing". Variant of Ryley. From a different root as the similar-sounding Reilly.
Baby names that sound like Riley are Risley and Roley. Other similar baby names are Kiley, Ridley, Ripley and Wiley.