Kale is a distinctive boys' name in United States, ranking #975 in 2001 with 158 recorded births. The name reached its all-time peak in 2008 with 544 births ranking #504. Since 1996, the popularity has increased by 69.9%. In 2001, approximately 1 in every 12,296 boys born was named Kale. FALLING Recent data shows the name is currently falling.