The Faithful County bested Longford by a narrow margin on Sunday.
Offaly came away from Longford with a hard fought and nervy victory for the second time in four weeks on Sunday.
In March it was the league, on Easter weekend, it was the Leinster Football Championship.
The Faithful County won out by the narrowest of margins in Pearse Park where it finished 1-12 to 1-11.
Manager Martin Murphy credits his players' defensive ability for the victory:
Offaly’s quarter final is a meeting with Meath in Glenisk O’Connor Park in two week’s time.
James Gormley Named On Irish Squad For FIBA EuroBasket Qualifiers
Portlaoise Panthers Suffer Tough Defeat In Super League
CCFL: St Peter's Extend Their Advantage At Top Of Premier Division
NFL: Relegation Firmly On The Cards For Offaly
Laois "Devastated" By Defeat Despite Delivering "Manliness" - Justin McNulty
Big Camogie Wins for Westmeath and Laois Over The Weekend
Fitzgerald "Relieved" After Squeaking Past Kerry
NHL: Galway Prove Too Strong For Offaly
Former Laois And Offaly GAA Manager Honoured By An Garda Síochána
Athlone Town Make It Two Wins From Two In First Division
Lee Fitzpatrick Scores Try For Ireland U20s In England
NFL: Westmeath Move Closer To Promotion
Shane Lowry Finishes Strong In California
Westmeath Drifter Sets Sights On Success In 2026
Offaly’s Alex Dunne Joins Alpine’s Young Driver Programme
NHL: Laois And Kerry Clash In Division Two
Shane Lowry Cards Opening Round 73 At Genesis Invitational
Athlone Town Aiming For Back To Back League Wins