Fallon is a distinctive girls' name in United States, ranking #1309 in 2003 with 158 recorded births. The name reached its all-time peak in 2023 with 422 births ranking #688. Since 1996, the popularity has decreased by 10.2%. In 2003, approximately 1 in every 11,564 girls born was named Fallon. FALLING Recent data shows the name is currently falling.