Shailyn is a distinctive girls' name in United States, ranking #3949 in 1999 with 30 recorded births. The name reached its all-time peak in 2001 with 49 births ranking #2953. Since 1996, the popularity has increased by 15.4%. In 1999, approximately 1 in every 59,126 girls born was named Shailyn. FALLING Recent data shows the name is currently falling.