lace curtain vs socialite

lace curtain

noun
  • A thin, netlike curtain that lets light into a room, but obstructs vision from outside 

socialite

noun
  • A person (often a woman) of social prominence, considered to be an influential figure. 

  • A person who goes to fashionable parties and is often written about in the newspapers, etc. 

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