Unknown; possibly a modern invention or variant
Rilya is a rare name with no established etymological history. It may be a modern creative invention, a variation of the name Riley, or a phonetic blend of other popular sounds. Due to its rarity, it lacks a definitive traditional meaning.
Fewer than 5 girls were named Rilya in 2025.
US births per 5-year period, 1990–present (SSA data).
