Shaelyn is a distinctive girls' name in United States, ranking #1558 in 2008 with 148 recorded births. The name reached its all-time peak in 2000 with 177 births ranking #1149. Since 1996, the popularity has increased by 38.3%. In 2008, approximately 1 in every 12,775 girls born was named Shaelyn. FALLING Recent data shows the name is currently falling.