He took the name "Jack Dillon" from the famous racehorse, Sidney Dillon.
Sidney Poitier | Matt Dillon | Sidney Lumet | Sidney Nolan | Sidney Bechet | Philip Sidney | James Dillon | Sidney Crosby | Albert Sidney Johnston | Dean Dillon | Sidney Herbert, 1st Baron Herbert of Lea | Sidney | James Dillon (composer) | Sylvia Sidney | Steve Dillon | Sidney Reilly | Sidney Altman | Sidney Paget | Sidney Howard | Sidney Colvin | Henry Sidney | Sidney Smith | Sidney Lee | Sidney Godolphin, 1st Earl of Godolphin | Sidney Cotton | Sidney Blumenthal | Donald Sidney-Fryer | Charles Dillon, 12th Viscount Dillon | William Sidney, 1st Viscount De L'Isle | Viscount Dillon |