Johnny Mahaffy
St-Hyacinthe Saints / QPHL - 52/53
- Date of Birth
- Jul 18, 1918
- Age
- Deceased
- Place of Birth
- Montréal, QC, CAN
- Nation
- Canada
- Youth Team
- -
- Position
- C
- Height
- 171 cm / 5'7"
- Weight
- 75 kg / 165 lbs
- Shoots
- L
- Contract
- -
| Post | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1938-1939 |  Streatham | London Cup | - | 4 | 9 | 13 | - | - | |||||||
| 1939-1940 |  Montréal Royals | Allan Cup | 5 | 0 | 4 | 4 | 0 | - | |||||||
| 1940-1941 | Montréal Royals | Allan Cup | 9 | 4 | 2 | 6 | 22 | - |
* Some data is missing to provide a correct summary.
 Buffalo Bisons | 1 | 63 | 29 | 40 | 69 | 1.10 | 37 | - | 1 | 4 | 0 | 0 | 0 | 0.00 | 0 | - |
| Hershey Bears | 2 | 102 | 28 | 50 | 78 | 0.76 | 20 | - | 0 | |||||||
| Montréal Army | 1 | 4 | 0 | 0 | 0 | 0.00 | 0 | - | 0 | |||||||
| Montréal Canadiens | 2 | 9 | 2 | 5 | 7 | 0.78 | 4 | - | 1 | 1 | 0 | 1 | 1 | 1.00 | 0 | - |
| Montréal Jr. Royals | 1 | 10 | 3 | 6 | 9 | 0.90 | 4 | - | 1 | 2 | 0 | 0 | 0 | 0.00 | 0 | - |
| Montréal Royals | 9 | 199 | 80 | 103 | 183 | 0.92 | 202 | - | 5 | 29 | 12 | 8 | 20 | 0.69 | 36 | - |
| New York Rangers | 1 | 28 | 9 | 20 | 29 | 1.04 | 0 | - | 0 | |||||||
| Philadelphia Rockets | 2 | 127 | 47 | 107 | 154 | 1.21 | 16 | - | 0 | |||||||
| Pittsburgh Hornets (AHL) | 2 | 95 | 45 | 59 | 104 | 1.09 | 45 | - | 1 | 6 | 4 | 2 | 6 | 1.00 | 10 | - |
| Shawinigan Falls Cataractes | 1 | 60 | 16 | 28 | 44 | 0.73 | 18 | - | 0 | |||||||
| St-Hyacinthe Saints | 1 | 61 | 28 | 58 | 86 | 1.41 | - | - | 0 | |||||||
| Streatham | 1 | - | 8 | 13 | 21 | - | - | - | 0 |
* Some data is missing to provide a correct summary.