given name vs last name

given name

noun
  • A first name, a name chosen for a child, usually by the child's parents; a forename. 

  • Used other than figuratively or idiomatically: see given, name. A person's name. 

last name

noun
  • One's family name; surname. 

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