Muireann Devaney opened the scoring within 90 seconds of the start.
Athlone Town secured their second win of their Women's Premier Division campaign on Saturday after victory over Wexford Youths.
Tommy Hewitt's side took an early lead through Muireann Devaney that was cancelled out 15 minutes later by Rianna Jarrett.
A Dana Sheriff double in the second half secured the three points for the midlanders in Ferrycarrig Park.
Town's next outing is against Cork in Westmeath.
Our coverage of Athlone Town is brought to you by Munnelly Opticians, Monksland Athlone. See munnellyopticians.ie.
Midlands Players Selected On Ireland Squad For Australian Football League Women's Clash
Midlands Golfers To Compete At European Amateur Team Championships
World Cup: Lionel Messi Makes History
All-Ireland Knockout Place Still A Possibility For Offaly Camogie
Athlone Town Play Out Draw With Wexford
Offaly Suffer Heartbreak In Tailteann Cup
It's Been A Joy To Be Involved With This Group - Mark McHugh
Lily Agg Wins First Game As Athlone Town Manager
Cork Knock Offaly Out Of Hurling Championship
Westmeath And Offaly Suffer Championship Ending Defeats
We've Constantly Improved Over The Course Of The Championship - Johnny Kelly
Shane Lowry Struggles On Opening Day Of US Open
Our Players Have Good Memories Of Croke Park - Declan Kelly
Shane Lowry Tee Off Time Delayed Due To Heavy Fog
Athlone Town To Face FK Skopje 2014 In Women's Champions League
Lily Agg To Take Charge Of First Athlone Town Game This Weekend
Over 200 Clubs Set To Compete At Féile Na nGael Finals This Weekend