The O'Moore County will now join Offaly and Westmeath in the Tailteann cup.
Laois have exited the Leinster Football Championship after losing out to Louth over the weekend.
The O'Moore County led by a point at the interval but two second half goals from Ryan Burns and Ciaran Byrne helped Louth to claim a 2-16 to 17 point win.
Laois manager Justin McNulty says he is proud of his players but pointed out to many turnovers from his side.
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