Fallon is a distinctive girls' name in United States, ranking #1401 in 2005 with 153 recorded births. The name reached its all-time peak in 2023 with 422 births ranking #688. Since 1996, the popularity has decreased by 13.1%. In 2005, approximately 1 in every 12,076 girls born was named Fallon. FALLING Recent data shows the name is currently falling.