Sylvester is a distinctive boys' name in United States, ranking #2172 in 2023 with 67 recorded births. The name reached its all-time peak in 1997 with 103 births ranking #1178. Since 1996, the popularity has decreased by 25.6%. In 2023, approximately 1 in every 25,501 boys born was named Sylvester. STABLE Recent data shows the name is currently stable.