Lacy vs Tiffany

Lacy

name

  • A female given name transferred from the surname, of modern usage. 

  • A surname from Old French, a spelling variant of Lacey. 

  • A male given name transferred from the surname, of mostly 19th century usage. 

Tiffany

name

  • A female given name transferred from the surname. 

  • A northern English surname. 

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