Kale is a distinctive boys' name in United States, ranking #518 in 2009 with 521 recorded births. This places Kale in the top 4% of ranked US boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2008 with 544 births ranking #504. Since 1996, the popularity has increased by 460.2%. In 2009, approximately 1 in every 3,807 boys born was named Kale. FALLING Recent data shows the name is currently falling.