Kempton is a distinctive boys' name in United States, ranking #5881 in 2015 with 15 recorded births. This places Kempton 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 2013 with 15 births ranking #5809. In 2015, approximately 1 in every 127,751 boys born was named Kempton. STABLE Recent data shows the name is currently stable.