Shaelyn is a distinctive girls' name in United States, ranking #1178 in 1998 with 159 recorded births. The name reached its all-time peak in 2000 with 177 births ranking #1149. Since 1996, the popularity has increased by 48.6%. In 1998, approximately 1 in every 11,113 girls born was named Shaelyn. FALLING Recent data shows the name is currently falling.