Keisean is a distinctive boys' name in United States, ranking #4896 in 1999 with 14 recorded births. This places Keisean in the top 42% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2003 with 16 births ranking #4934. In 1999, approximately 1 in every 137,149 boys born was named Keisean. FALLING Recent data shows the name is currently falling.