How did Frankie Laine get his name?

Frankie Laine was born Francesco Paolo LoVecchio on March 30, 1913, to Giovanni and Cresenzia Salerno. His actual Cook County, Ill, birth Certificate, No. 14436, was already Americanized at the time of his birth, with his name written as "Frank Lovecchio," which later on he changed to Frankie Laine.