League champions
- Lower Ottawa League: Hull Iron Works
- Pontiac League: Fort Coulonge
- Upper Ottawa Valley League: Pembroke Lumber Kings
Independent (non-league) teams
- Cornwall Colts
- Finch Crescents
- Ottawa Research
- Chesterville Leafs
- Winchester
- Kemptville
- Perth Crescents
- Carleton Place
- Cardinal
Regional Playoffs
First Round
2 games total goals
Chesterville Leafs won Winchester defaulted.
- Perth 11 Carleton Place 6
- Perth 6 Carleton Place 3
Perth Crescents beat Carleton Place 17 goals to 9.
Second Round
2 games total goals
- Chesterville 5 Kemptville 1
- Kemptville 4 Chesterville 1
Chesterville Leafs beat Kemptville 6 goals to 5.
- Perth 7 Ottawa 4
- Perth 12 Ottawa 4
Perth Crescents beat Ottawa Research 19 goals to 8.
- Cornwall 9 Cardinal 4
- Cornwall 9 Cardinal 5
Cornwall Colts beat Cardinal 18 goals to 9.
Quarter Finals
2 games total goals
- Cornwall 8 Chesterville 3
- Cornwall 1 Chesterville 1
Cornwall Colts beat Chesterville Leafs 9 goals to 4,
- Perth 7 Fort Coulonge 1
- Perth 12 Fort Coulonge 0
Perth Crescents beat Fort Coulonge 19 goals to 1.
Semi Finals
2 games total goals
- Cornwall 10 Hull 1
- Cornwall 6 Hull 6
Cornwall Colts beat Hull Iron Works 16 goals to 7.
- Perth 7 Pembroke 6
- Perth 5 Pembroke 3
Perth Crescents beat Pembroke Lumber Kings 12 goals to 9.
Final
Best of 3
- Cornwall 10 Perth 4
- Cornwall 10 Perth 6
Cornwall Colts beat Perth Cresents 2 wins to none.
Cornwall Colts won the Ottawa Citizen Shield (Senior B) and advanced to the 1941-42 Ottawa District Senior Playoffs.
Perth Crescents won the Ottawa Citizen Shield (Intermediate).