Ka is a distinctive boys' name in United States, ranking #8698 in 2005 with 8 recorded births. The name reached its all-time peak in 1996 with 9 births ranking #6246. Since 1996, the popularity has decreased by 11.1%. In 2005, approximately 1 in every 249,643 boys born was named Ka. RISING Recent data shows the name is currently rising.