Leo is a distinctive girls' name in United States, ranking #5492 in 2025 with 23 recorded births. The name reached its all-time peak in 2021 with 32 births ranking #4372. In 2025, approximately 1 in every 69,881 girls born was named Leo. FALLING Recent data shows the name is currently falling.
Leo is a major classic meaning "lion". It is one of those rare short names that feel both ancient and perfectly current.
The name has been used since antiquity and later spread widely through saints, popes, and royal or literary tradition. Its modern popularity comes from how much strength and warmth it packs into three letters.