Keiran is a distinctive boys' name in United States, ranking #2377 in 2003 with 45 recorded births. The name reached its all-time peak in 2011 with 63 births ranking #2120. Since 1996, the popularity has increased by 150.0%. In 2003, approximately 1 in every 43,895 boys born was named Keiran. STABLE Recent data shows the name is currently stable.