Keithan is a distinctive boys' name in United States, ranking #5407 in 2015 with 17 recorded births. The name reached its all-time peak in 2009 with 34 births ranking #3301. Since 1996, the popularity has increased by 13.3%. In 2015, approximately 1 in every 112,721 boys born was named Keithan. RISING Recent data shows the name is currently rising.