Shailene is a distinctive girls' name in United States, ranking #4881 in 2014 with 29 recorded births. The name reached its all-time peak in 2014 with 29 births ranking #4881. Since 1996, the popularity has increased by 480.0%. In 2014, approximately 1 in every 61,584 girls born was named Shailene. FALLING Recent data shows the name is currently falling.