Ki is a distinctive boys' name in United States, ranking #6850 in 2012 with 12 recorded births. This places Ki in the top 48% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2002 with 20 births ranking #4128. Since 1996, the popularity has increased by 71.4%. In 2012, approximately 1 in every 158,052 boys born was named Ki. RISING Recent data shows the name is currently rising.