Shannyn is a distinctive girls' name in United States, ranking #6720 in 2004 with 18 recorded births. The name reached its all-time peak in 2002 with 29 births ranking #4369. Since 1996, the popularity has increased by 28.6%. In 2004, approximately 1 in every 102,007 girls born was named Shannyn. FALLING Recent data shows the name is currently falling.