Rilynn is a modern American name that attaches the fashionable ending -lynn to Riley, an English surname meaning "rye clearing". It belongs to the same family as Raelynn and Rylynn. Rilynn came within a few places of the US top 1000 at number 1009 in 2019, then slipped as the -lynn trend cooled; in 2025 it ranks number 1649 with 126 girls.