1943 National Soccer League
For the second season in a row the league only operated in the East.
Final standings
| GP | W | T | L | GF | GA | Pts | |
| 1. Montreal Vickers | 10 | 9 | 1 | 0 | 3 | 19 | |
| 2. Montreal Carsteel | 10 | 12 | |||||
| 3. | 10 | ||||||
| 4. | 10 | ||||||
| 5. | 10 | ||||||
| 6. | 10 |
1943 Toronto Senior Soccer League
Secretary: Charlie Slade
Twenty teams entered the league for the 1943 season. The clubs were divided into two groups of ten teams.
The first group consisted of Toronto Irish, Mimico Beach, Lancashires, the newly-formed Toronto Slovak club, John Inglis Commercials, DeHavilands, and four service clubs. The service clubs were Manning Pool Pigeons, H.M.C.S. York Tars, M.D. 2 Depot and Newmarket.
Newmarket used 29 players in league games during the 1943 season and barely missed the play-offs.
The other group was Dominion Bridge, East End Canadians, John Inglis Ord., King Edward, Liptons, Mimico Beach, Research, Shipbuilders, Toronto Scottish and Ulster United.
Ulster United won this section. In 18 league games they won 11 and tied 7. Total goals 62 against 25.
Play-offs
1st Round
Ulster 5, Manning Pool 3
XX vs XX
XX vs XX
XX vs XX
Semi-Finals
Ulster United 1, M. D. No. 2, 1
Ulster United 3, M. D. No. 2, 1
Ulster United qualified for final
Dominion Bridge vs XX
Dominion Bridge qualified for final
Final
Ulster United 3, Dominion Bridge 0
1943 Toronto City Cup
Final
Ulster United 2, King Edward 0
1943 A. J. HALLIWELL INTER-CITY TROPHY
Final
November 27, 1943
Ulster 2, Hamilton Stelco 0
1943 J. W. PICKAVANT TROPHY
Final
August 28, 1943
Ulster United 4, King Edward 2