Sylvester is a distinctive boys' name in United States, ranking #1941 in 2014 with 75 recorded births. The name reached its all-time peak in 1997 with 103 births ranking #1178. Since 1996, the popularity has decreased by 16.7%. In 2014, approximately 1 in every 25,606 boys born was named Sylvester. STABLE Recent data shows the name is currently stable.