Sylvester is a distinctive boys' name in England & Wales, ranking #2664 in 2025 with 8 recorded births. This places Sylvester in the top 44% of ranked UK boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2021 with 20 births ranking #1290. Since 1996, the popularity has increased by 60.0%. In 2025, approximately 1 in every 33,992 boys born was named Sylvester. FALLING Recent data shows the name is currently falling.