Rye meadow or courageous
Ryllie is a modern American spelling variant of Riley. It likely derives from the Old English words 'ryge', meaning rye, and 'leah', meaning wood or clearing, but it is also associated with the Irish surname O'Raghailligh, meaning descendant of Raghallach.
Fewer than 5 girls were named Ryllie in 2025.
US births per 5-year period, 1990–present (SSA data).
