Ki is a distinctive boys' name in United States, ranking #8765 in 1997 with 6 recorded births. This places Ki in the bottom 19% 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 decreased by 14.3%. In 1997, approximately 1 in every 314,182 boys born was named Ki. RISING Recent data shows the name is currently rising.