Tybalt /ty-balt/ [2 sylls.] as a name for boys is of Old German origin, and the name Tybalt means brave people.Tybalt is a variant transcription of Theobald (Old German). Tewalt is a common surname.ybalt is a rare first name for men. Tybalt is an equally unique surname for both adults and children. (2000 U.S. Census). Prominent varying forms of Tybalt (outside Top 1000) are Ted, Teddy and Theo (#509 last year) .