Rylee is a girls' spelling of Riley, which comes either from the Irish surname Ó Raghailligh, of uncertain meaning, or from an English place name meaning "rye clearing". Riley was once a boys' name, but spellings like Rylee and Ryleigh are now almost entirely feminine. In the United States Rylee rose from number 290 in 2000 into the top 100 in 2019, peaked at number 97 in 2021 and ranks 137th in 2025.