given name vs moniker

given name

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

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

moniker

noun
  • A personal name or nickname; an informal label, often drawing attention to a particular attribute. 

  • A person's signature. 

  • An object (structured item of data) used to associate the name of an object with its location. 

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