The name Billie is an English baby name. In English the meaning of the name Billie is: Nickname for William 'resolute protector' often used as an independent name.
Billi Name Meaning. 4,801 Historical Documents with Billi on Ancestry 2,597 Birth, Marriage, and Deaths 926 Census and Voter Lists 178 Military Records 534 Immigration Records 566 Member Trees.
