Ki is a distinctive boys' name in United States, ranking #9377 in 2007 with 8 recorded births. The name reached its all-time peak in 2002 with 20 births ranking #4128. Since 1996, the popularity has increased by 14.3%. In 2007, approximately 1 in every 259,404 boys born was named Ki. RISING Recent data shows the name is currently rising.