Sylvester is a distinctive boys' name in United States, ranking #1544 in 2003 with 83 recorded births. This places Sylvester in the top 12% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1997 with 103 births ranking #1178. In 2003, approximately 1 in every 23,798 boys born was named Sylvester. STABLE Recent data shows the name is currently stable.