Keiran is a distinctive boys' name in United States, ranking #3243 in 1998 with 24 recorded births. The name reached its all-time peak in 2011 with 63 births ranking #2120. Since 1996, the popularity has increased by 33.3%. In 1998, approximately 1 in every 79,638 boys born was named Keiran. STABLE Recent data shows the name is currently stable.