Fallyn is a distinctive girls' name in United States, ranking #5651 in 1998 with 18 recorded births. The name reached its all-time peak in 2015 with 84 births ranking #2241. Since 1996, the popularity has decreased by 21.7%. In 1998, approximately 1 in every 98,161 girls born was named Fallyn. FALLING Recent data shows the name is currently falling.