Fei is a distinctive girls' name in United States, ranking #15670 in 2025 with 5 recorded births. This places Fei in the bottom 9% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 5 births ranking #15670. In 2025, approximately 1 in every 321,453 girls born was named Fei. STABLE Recent data shows the name is currently stable.