Definition of "Roderick"

"You must not forget that eventually Roderick will have to succeed whatever title you choose. We must not select anything which would seem ridiculous in connection with Roderick. His actual name is bad enough, as it is. Roderick!" Mrs. Hammond winced. This was a painful subject with her. "How often I pleaded with poor Lucy to call him Thomas!"

1924, P. G. Wodehouse, Bill the Conqueror, George H. Doran, published 1924, page 16