Their opponents, Holy Trinity College, Cookstown - making their first ever appearance in the prestigious final - brought fans from across Mid Ulster together for the big game.
Check out more pictures from the big game:

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Holy Trinity’s Jack Martin in action with St Mary's Niall O’Donnell. Picture: Matt Mackey / Press Eye.

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Holy Trinity’s Jack Martin in action with St Mary's Niall O’Donnelll. Picture: Matt Mackey / Press Eye.
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