Kielan is a distinctive boys' name in United States, ranking #10305 in 2012 with 7 recorded births. This places Kielan in the bottom 28% 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 11 births ranking #7380. In 2012, approximately 1 in every 270,946 boys born was named Kielan. STABLE Recent data shows the name is currently stable.