Fallon is a distinctive boys' name in United States, ranking #8596 in 2001 with 7 recorded births. The name reached its all-time peak in 2015 with 37 births ranking #3101. Since 1996, the popularity has increased by 40.0%. In 2001, approximately 1 in every 277,547 boys born was named Fallon. FALLING Recent data shows the name is currently falling.