The O'Dempsey's were beaten with minimum fuss by the now three-time county champions.
Portarlington were being crowned county champions for a third year in a row.
Playing with a strong wind in the first half proved valuable, a half time score of 13 point to 2 left O'Dempsey's under sever pressure starting the second.
A red card to Robbie Kehoe for a slap sealed O'Dempsey's fate.
In a first meeting between these parish neighbours in a county final, Portarlington will hold the bragging rights for the next year at least.
Speaking to Pat O'Sullivan after the game Port's manager Martin Murphy says he was confident in his team:
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