Sethan is a distinctive boys' name in United States, ranking #11025 in 1998 with 5 recorded births. This places Sethan in the bottom 3% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1999 with 9 births ranking #7004. In 1998, approximately 1 in every 382,264 boys born was named Sethan. FALLING Recent data shows the name is currently falling.