Shaelyn is a distinctive girls' name in United States, ranking #1527 in 2010 with 147 recorded births. The name reached its all-time peak in 2000 with 177 births ranking #1149. Since 1996, the popularity has increased by 37.4%. In 2010, approximately 1 in every 12,091 girls born was named Shaelyn. FALLING Recent data shows the name is currently falling.