Seann is a distinctive boys' name in United States, ranking #8676 in 2010 with 9 recorded births. This places Seann in the bottom 39% 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 2010, approximately 1 in every 213,157 boys born was named Seann. FALLING Recent data shows the name is currently falling.