Kale is a distinctive boys' name in United States, ranking #1173 in 1997 with 103 recorded births. The name reached its all-time peak in 2008 with 544 births ranking #504. Since 1996, the popularity has increased by 10.8%. In 1997, approximately 1 in every 18,302 boys born was named Kale. FALLING Recent data shows the name is currently falling.