Shailene is a distinctive girls' name in United States, ranking #5433 in 2015 with 25 recorded births. The name reached its all-time peak in 2014 with 29 births ranking #4881. Since 1996, the popularity has increased by 400.0%. In 2015, approximately 1 in every 71,386 girls born was named Shailene. FALLING Recent data shows the name is currently falling.