Morris held the record for the largest margin of victory in a major championship (14 strokes in the 1862 Open Championship), which stood until Tiger Woods won the 2000 US Open by 15 strokes.
Morris var indehaver af rekorden for den største sejrsmargin i en major-turnering (13 slag i The Open Championship 1862), indtil Tiger Woods vandt US Open 2000 med 15 slag.