Keithan is a distinctive boys' name in United States, ranking #4142 in 2000 with 19 recorded births. The name reached its all-time peak in 2009 with 34 births ranking #3301. Since 1996, the popularity has increased by 26.7%. In 2000, approximately 1 in every 103,365 boys born was named Keithan. RISING Recent data shows the name is currently rising.