Sylvester is a distinctive boys' name in United States, ranking #2496 in 2020 with 52 recorded births. The name reached its all-time peak in 1997 with 103 births ranking #1178. Since 1996, the popularity has decreased by 42.2%. In 2020, approximately 1 in every 33,174 boys born was named Sylvester. STABLE Recent data shows the name is currently stable.