What does Rileigh mean?
Rileigh /ri-lei-gh/ [2 sylls.] as a name for girls. The name Rileigh means "courageous". Rileigh is an alternate form, with the suffix -gh, of Riley (Irish, Gaelic): version of O'Reilly.
How popular is Rileigh?
Rileigh is a rare first name for females. Rileigh is an equivalently unique last name too for all people. (2000 U.S. Census)
Below is a graphed comparison of the usage of the girl name Rileigh and associated names. Popular varying forms of Rileigh (not ranked) ranked in the Top 1000 are Reilly, Riley (#47 a year ago) and Rylee (#113). Variants like Ryley are seldom used. Adoption of these girl names was at its peak in the year 2002 (usage of 0.6487%) and is somewhat lower today (usage 0.6133%, down 5.4%), with the form Reilly becoming less fashionable. Riley (#47) and Rylee (#113) are two of the more fashionable birth names among these. (2014 Birth Statistics)