Diminutive of Bill.

Derives from William, of Germanic origin.

Alternative form of the name is Billie.

Famous bearers are Billy the Kid, Billy Joel, Billy Gibbons, Billy Bob Thornton, Billy Corgan, Billy Idol, Billy Crystal, Billy Preston, Billy Eckstine, Billy Ocean, Billy Connolly, Billy Wilder, Billy Baldwin, Billy Zane, Billy Hamilton.

American singer, songwriter and actor Billy Gibbons is considered as one of the finest blues-rock guitarists in the world and is the lead vocalist of rock band “ZZ Top”.