Feather vs Groom

Feather

name
  • An English surname originating as an occupation. 

  • An anglicized Americanized German surname from German, equivalent to English Feather. 

Groom

name
  • An English surname originating as an occupation for a servant. 

  • A town in Carson County, Texas, United States. 

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