Keaston is a distinctive boys' name in United States, ranking #12423 in 2005 with 5 recorded births. This places Keaston in the bottom 7% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2012 with 18 births ranking #5148. In 2005, approximately 1 in every 399,429 boys born was named Keaston. FALLING Recent data shows the name is currently falling.