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.
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