birth name vs calling name

birth name

noun
  • A name chosen for a child at birth, as opposed to a different name used subsequently. 

calling name

noun
  • The name by which a person is normally identified in conversation. 

  • The name associated with the telephone number or similar identifier of a caller. 

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