Beryl vs DeForest

Beryl

name
  • A female given name from English derived from the gem beryl. 

DeForest

name
  • A male given name transferred from the surname, equivalent to English Forest 

  • A surname from French, equivalent to English Forest or Woods, equivalent to the modern French surname Deforet. 

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