Billy - name meaning, origin

The boy's name Billy \b(il)-ly\, also used as girl's name Billy, is a variant of Bill (English) and William (Old German), and the meaning of Billy is "will helmet, protection".

The baby name Billy sounds like Bille, Bailey, Bayly, Baley, Baily, Bell, Byll, Billie and Bly. Other similar baby names are Birly and Willy.

Billy is a very common first name for men (#73 out of 1220) and also a very common last name for both men and women (#8671 out of 88799). (1990 U.S. Census)

Displayed below is the baby name popularity trend for the boy name Billy. Compare Billy with its source forms and related boy names.

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