Ki is a distinctive boys' name in United States, ranking #5737 in 2003 with 13 recorded births. The name reached its all-time peak in 2002 with 20 births ranking #4128. Since 1996, the popularity has increased by 85.7%. In 2003, approximately 1 in every 151,944 boys born was named Ki. RISING Recent data shows the name is currently rising.