Seann is a distinctive boys' name in United States, ranking #5094 in 2002 with 15 recorded births. This places Seann in the top 41% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2003 with 19 births ranking #4391. In 2002, approximately 1 in every 129,431 boys born was named Seann. FALLING Recent data shows the name is currently falling.