Keiston is a distinctive boys' name in United States, ranking #7890 in 2016 with 10 recorded births. This places Keiston in the bottom 44% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2013 with 17 births ranking #5289. In 2016, approximately 1 in every 189,721 boys born was named Keiston. STABLE Recent data shows the name is currently stable.