middle name vs personification

middle name

noun
  • A trait, activity, or action closely associated with or aptly describing a person. 

  • A name between the first given name and the family name or surname; a second or subsequent given name. 

  • One's mother's maiden name. 

personification

noun
  • A person, thing or name typifying a certain quality or idea; an embodiment or exemplification. 

  • An artistic representation of an abstract quality as a human 

  • A literary device in which an inanimate object or an idea is given human qualities. 

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