They were three points down entering the last ten minutes.
Shanahoe will return to the senior ladies ranks in Laois.
They claimed the Intermediate title with a hard fought one point victory over Park/Ratheniska last night, 1-9 to 1-8.
A first half goal from Aoife Finlay and five frees from the boot of Mary Griffen, including with the last kick of the contest, led Shanahoe back from a three point deficit in the closing stages.
Park/Ratheniksa will rue two late yellow cards, which gave their opposition the momentum for the comeback.
Earlier this week, Graiguecullen took home the Junior title, defeating Ballyfin by 7 points, 2-13 to 2-6.
Graiguecullen were led by 1-6 from corner forward Kelly O'Neill against a gallant Ballyfin side who had goals from Rachel Walsh and Edel Finn and five points from Chloe Scanlon that ultimately wasn't enough to keep pace with the winners.
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