given name vs to-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. 

to-name

noun
  • A name added to another name; surname. 

  • A name in addition to the Christian name and surname of an individual, to distinguish him or her from others of the same name and usually indicating descent, place of residence, or some personal quality or attribute. Such to-names are often employed where the same families continually intermarry, and where consequently the same name is common to many individuals. 

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