Jock vs Roscoe

Jock

name

  • A given name. 

  • A nickname. 

  • A surname. 

noun

  • A Scot. 

Roscoe

name

  • A male given name transferred from the surname. 

  • A surname from Old Norse. 

  • A hamlet and census-designated place in Sullivan County, New York, United States, named after Senator Roscoe Conkling. 

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