Keithan is a distinctive boys' name in United States, ranking #4335 in 2008 with 23 recorded births. The name reached its all-time peak in 2009 with 34 births ranking #3301. Since 1996, the popularity has increased by 53.3%. In 2008, approximately 1 in every 88,693 boys born was named Keithan. RISING Recent data shows the name is currently rising.