Minnie vs Willie

Minnie

name

  • A diminutive of the female names Wilhelmina, Minerva, Mary, Mina and Mamie. Popular as a formal female given name in the 19th century. 

  • A surname. 

  • Minneapolis. 

Willie

name

  • A diminutive of the female given name Wilhelmina or a feminine diminutive of William, often in the form Willie Mae. 

  • A diminutive of the male given name William 

How often have the words Minnie and Willie occurred in a corpus of books? (source: Google Ngram Viewer )