Fallon is a distinctive boys' name in United States, ranking #5943 in 2025 with 15 recorded births. The name reached its all-time peak in 2015 with 37 births ranking #3101. Since 1996, the popularity has increased by 200.0%. In 2025, approximately 1 in every 113,872 boys born was named Fallon. FALLING Recent data shows the name is currently falling.