Cirilla is a feminine form of Cyril, from the Greek kyrios, lord, and so means "lordly" or "of the lord"; it is an old Italian and Polish form that most Americans met through Cirilla, called Ciri, the princess of the Witcher novels, games and Netflix series. The data show the effect: Cirilla ranked number 5191 in 2019, jumped to number 3100 in 2020 after the series premiered and peaked at number 1710 in 2022; in 2025 it stood at number 2618 with 66 girls.