Sylvester is a distinctive boys' name in United States, ranking #1806 in 2006 with 77 recorded births. The name reached its all-time peak in 1997 with 103 births ranking #1178. Since 1996, the popularity has decreased by 14.4%. In 2006, approximately 1 in every 26,690 boys born was named Sylvester. STABLE Recent data shows the name is currently stable.