Feather vs Ridge

Feather

name
  • An English surname originating as an occupation. 

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

Ridge

name
  • A toponymic surname from Middle English, named after the natural feature. 

  • A male given name transferred from the surname. 

  • A village in Hertsmere district, Hertfordshire, England, United Kingdom. 

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