Sebastin is a distinctive boys' name in United States, ranking #10705 in 2007 with 7 recorded births. This places Sebastin in the bottom 26% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 11 births ranking #6366. In 2007, approximately 1 in every 296,462 boys born was named Sebastin. RISING Recent data shows the name is currently rising.