Keithan is a distinctive boys' name in United States, ranking #5318 in 1998 with 12 recorded births. The name reached its all-time peak in 2009 with 34 births ranking #3301. Since 1996, the popularity has decreased by 20.0%. In 1998, approximately 1 in every 159,277 boys born was named Keithan. RISING Recent data shows the name is currently rising.