Ki is a distinctive boys' name in United States, ranking #4741 in 2005 with 18 recorded births. This places Ki in the top 35% 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 157.1%. In 2005, approximately 1 in every 110,953 boys born was named Ki. RISING Recent data shows the name is currently rising.