The final takes place in St Brendan's Park this Sunday.
Birr will be hoping to make it back-to-back Offaly Senior Camogie Championships this weekend.
They take on St Cillian's this Sunday, who themselves will looking to secure their first ever Senior title.
The defending champions are competing in their third final in a row having previously claimed the title in 2014.
Throw in on Sunday from St Brendan's Park is at 3:30pm.
Kilcormac-killoughey and St Rynaghs will meet in the Senior B final.
That game throws in on Sunday from Shinrone at 1:15pm.
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