Kale is a distinctive boys' name in United States, ranking #767 in 2006 with 272 recorded births. The name reached its all-time peak in 2008 with 544 births ranking #504. Since 1996, the popularity has increased by 192.5%. In 2006, approximately 1 in every 7,556 boys born was named Kale. FALLING Recent data shows the name is currently falling.