Kitty vs Molly

Kitty

name

  • A diminutive of Katherine and related female given names. 

  • A generic name for a cat. 

Molly

name

  • A female given name from Hebrew. 

  • A diminutive of Mary or, less often, Margaret. 

noun

  • The crystalline or powdered form of MDMA. 

  • A Molly Maguire. 

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