denomination vs family name

denomination

noun
  • That by which anything is denominated or styled; an epithet; a name, designation, or title; especially, a general name indicating a class of like individuals. 

  • A unit in a series of units of weight, money, etc. 

  • A class, or society of individuals, called by the same name; a subdivision of a religion. 

  • The act of naming or designating. 

family name

noun
  • A given name common in a family, or already borne by someone in the family (in the context of naming someone in the family after that family member). 

  • A surname. 

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