Ka is a distinctive boys' name in United States, ranking #8743 in 2001 with 7 recorded births. This places Ka in the bottom 29% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 9 births ranking #6246. Since 1996, the popularity has decreased by 22.2%. In 2001, approximately 1 in every 277,547 boys born was named Ka. RISING Recent data shows the name is currently rising.