Shannyn is a distinctive girls' name in United States, ranking #12009 in 2011 with 9 recorded births. The name reached its all-time peak in 2002 with 29 births ranking #4369. Since 1996, the popularity has decreased by 35.7%. In 2011, approximately 1 in every 195,423 girls born was named Shannyn. FALLING Recent data shows the name is currently falling.