Shannyn is a distinctive girls' name in United States, ranking #4930 in 1998 with 22 recorded births. The name reached its all-time peak in 2002 with 29 births ranking #4369. Since 1996, the popularity has increased by 57.1%. In 1998, approximately 1 in every 80,313 girls born was named Shannyn. FALLING Recent data shows the name is currently falling.