John A. Macdonald
                                DOB
                                --
                              
                              
                                Started
                                1957
                              
                              
                                Birthplace
                                 
                              
                              
                                College
                                
                              
                            
                                Career Wins
                                0
                              
                              
                                Second
                                0
                              
                              
                                Third
                                0
                              
                              
                                To Par
                                86
                              
                              
                                Top 5
                                0
                              
                              
                                Top 10
                                0
                              
                              
                                Top 25
                                3
                              
                              
                            9 Majors Played
| Major | Position | R1 | R2 | R3 | R4 | Total | To Par | Notes | Made Cut | Cut | Field | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| Open Championship - 1966 Muirfield Golf Links | MC-9 | 76 | 83 | 0 | 0 | 159 | 17 | 64 | 150 | 130 | |
| Open Championship - 1965 Royal Birkdale Golf Club | MC-1 | 73 | 77 | 0 | 0 | 150 | 4 | 50 | 149 | 130 | |
| Open Championship - 1964 St Andrews Links | T19 | 78 | 74 | 74 | 72 | 298 | 10 | 45 | 153 | 120 | |
| Open Championship - 1963 Royal Lytham & St Annes Golf Club | T20 | 73 | 75 | 75 | 70 | 293 | 13 | 47 | 149 | 120 | |
| Open Championship - 1962 Troon Golf Club | MC-8 | 78 | 82 | 0 | 0 | 160 | 16 | 39 | 152 | 119 | |
| Open Championship - 1961 Royal Birkdale Golf Club | MC-2 | 70 | 85 | 0 | 0 | 155 | 11 | 48 | 153 | 108 | |
| Open Championship - 1960 St Andrews Links | T21 | 76 | 71 | 69 | 74 | 290 | 2 | 47 | 149 | 74 | |
| Open Championship - 1959 Muirfield Golf Links | MC-1 | 76 | 73 | 0 | 0 | 149 | 5 | 48 | 148 | 90 | |
| Open Championship - 1957 St Andrews Links | T35 | 73 | 71 | 76 | 76 | 296 | 8 | 46 | 148 | 96 | 
