Kale is a distinctive boys' name in United States, ranking #990 in 2000 with 150 recorded births. The name reached its all-time peak in 2008 with 544 births ranking #504. Since 1996, the popularity has increased by 61.3%. In 2000, approximately 1 in every 13,093 boys born was named Kale. FALLING Recent data shows the name is currently falling.