1951 [Season Summary]
| Played | Won | Lost | Draws | For | Against | Points | Position |
| 18 | 11 | 7 | 0 | 424 | 262 | 22 | 2nd out of 10 |
| Round 1 | Manly 18 vs St.George 13 | Kogarah |
| Round 2 | Balmain 15 vs Manly 19 | Sydney Cricket Ground |
| Round 3 | Canterbury 26 vs Manly 15 | Belmore |
| Round 4 | Manly 17 vs South Sydney 29 | Brookvale |
| Round 5 | Manly 15 vs Parramatta 27 | Cumberland |
| Round 6 | Manly 28 vs Western Suburbs 13 | Pratten |
| Round 7 | Manly 36 vs North Sydney 10 | Brookvale |
| Round 8 | Manly 14 vs Newtown 16 | Erskineville |
| Round 9 | Eastern Suburbs 2 vs Manly 29 | Sydney Sports Ground |
| Round 10 | Manly 2 vs St.George 15 | Sydney Cricket Ground |
| Round 11 | Balmain 5 vs Manly 33 | Brookvale |
| Round 12 | Canterbury 3 vs Manly 13 | Sydney Sports Ground |
| Round 13 | Manly 12 vs South Sydney 16 | Sydney Sports Ground |
| Round 14 | Manly 57 vs Parramatta 10 | Brookvale |
| Round 15 | Manly 23 vs Western Suburbs 27 | Sydney Cricket Ground |
| Round 16 | Manly 22 vs North Sydney 11 | North Sydney Oval |
| Round 17 | Manly 38 vs Newtown 12 | Brookvale |
| Round 18 | Eastern Suburbs 12 vs Manly 33 | Sydney Cricket Ground |
| SF | Manly 37 vs Western Suburbs 9 | Sydney Cricket Ground |
| SF | Manly 18 vs St.George 8 | Sydney Cricket Ground |
| GF | Manly 14 vs South Sydney 42 | Sydney Sports Ground |
