Fallon is a distinctive boys' name in United States, ranking #6695 in 2002 with 10 recorded births. The name reached its all-time peak in 2015 with 37 births ranking #3101. Since 1996, the popularity has increased by 100.0%. In 2002, approximately 1 in every 194,147 boys born was named Fallon. FALLING Recent data shows the name is currently falling.