Seann is a distinctive boys' name in United States, ranking #6854 in 2001 with 10 recorded births. This places Seann in the bottom 44% 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 2001, approximately 1 in every 194,283 boys born was named Seann. FALLING Recent data shows the name is currently falling.