Sylvester is a distinctive boys' name in United States, ranking #2198 in 2011 with 60 recorded births. The name reached its all-time peak in 1997 with 103 births ranking #1178. Since 1996, the popularity has decreased by 33.3%. In 2011, approximately 1 in every 31,650 boys born was named Sylvester. STABLE Recent data shows the name is currently stable.