Reilley \re(il)-ley\ as a boy's name (also used as girl's name Reilley), is a variant of Reilly (Irish, Gaelic), and the meaning of Reilley is "outgoing people".

The baby name Reilley sounds like Riley and Risley. Other similar baby names are Gilley, Kelley, Neille, Redley, Ridley, Ripley and Willey.