Kale is a distinctive boys' name in United States, ranking #754 in 2005 with 264 recorded births. The name reached its all-time peak in 2008 with 544 births ranking #504. Since 1996, the popularity has increased by 183.9%. In 2005, approximately 1 in every 7,565 boys born was named Kale. FALLING Recent data shows the name is currently falling.