Fallon is a distinctive girls' name in United States, ranking #688 in 2023 with 422 recorded births. The name reached its all-time peak in 2023 with 422 births ranking #688. Since 1996, the popularity has increased by 139.8%. In 2023, approximately 1 in every 3,798 girls born was named Fallon. STABLE Recent data shows the name is currently stable.