Kacper is a distinctive boys' name in United States, ranking #2891 in 2000 with 31 recorded births. This places Kacper in the top 24% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 88 births ranking #1714. Since 1996, the popularity has increased by 244.4%. In 2000, approximately 1 in every 63,353 boys born was named Kacper. STABLE Recent data shows the name is currently stable.