Quick answer
Sylvester is a boy name.
Pronunciation: American English /sɪl.ˈvɛs.təɹ/; British English /sɪl.ˈvɛs.tə/; German /zɪl.ˈvɛs.tɐ/.
Meaning and history
Medieval variant of Silvester. This is currently the usual English spelling of the name. A famous bearer is the American actor Sylvester Stallone (1946-).
Notes and context
Usage: english, german, danish