Kale is a distinctive boys' name in United States, ranking #1065 in 1999 with 128 recorded births. The name reached its all-time peak in 2008 with 544 births ranking #504. Since 1996, the popularity has increased by 37.6%. In 1999, approximately 1 in every 15,001 boys born was named Kale. FALLING Recent data shows the name is currently falling.