Jonas Oldacre

From The Arthur Conan Doyle Encyclopedia
Jonas Oldacre exiting his hiding place (The Strand Magazine, november 1903)

Fictional character.


In the Sherlock Holmes stories

aka Mr. Cornelius.

  • Jonas Oldacre was a bachelor, fifty-two years of age, who livds in Deep Dene House, at the Sydenham end of the road of that name (NORW 64). He had the reputation of being a man of eccentric habits, secretive and retiring (NORW 65).
  • He was a strange, little, ferret-like man, with white eyelashes, and with keen grey eyes (NORW 114).
  • He faked his own murder to frame the young solicitor John Hector McFarlane — both to spite McFarlane's mother (an old flame who rejected him) and to swindle creditors under the alias "Mr. Cornelius" (NORW 536).