Fallon is a distinctive boys' name in United States, ranking #8502 in 1997 with 6 recorded births. This places Fallon in the bottom 21% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2015 with 37 births ranking #3101. Since 1996, the popularity has increased by 20.0%. In 1997, approximately 1 in every 314,182 boys born was named Fallon. FALLING Recent data shows the name is currently falling.