Deke vs Wally

Deke

name

  • A male given name. 

noun

  • A member of the Delta Kappa Epsilon fraternity, founded at Yale College in 1844. 

Wally

name

  • A diminutive of the male given names of Waldo and Walter and Wallabee and Wallace. 

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