There were also wins for Tullamore, St Rynaghs and St Cillian's.
Round four of the Offaly Senior Camogie Championship took place over the weekend.
In a repeat of last's final, it was Shinrone who got the better of champions Birr in a thrilling game which ended 3-15 to 2-14.
Elsewhere, league champions St Rynaghs had a two point win over Kilcormac-Killoughey as it ended 6-07 to 2-17, meanwhile Tullamore saw off Naomh Brid by 4-15 to 2-09.
St Cillian's were convincing winners over St Sinchills on a scoreline of 4-25 to 0-05.