Bill vs Wilkie

Bill

name
  • A diminutive of the male given name William. 

  • A nickname for the British constabulary. Often called "The Bill" or "Old Bill" 

  • A surname. 

Wilkie

name
  • A male given name from the Germanic languages, in modern use often transferred back from the surname. 

  • A surname originating as a patronymic. 

  • A town in Saskatchewan, Canada. 

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