Finn's goal puts Rebelettes on right road
Ephie Fitzgerald's Cork won the battle of the All-Ireland finalists from the last three seasons to collect three valuable points in Division 1 of the Lidl Ladies National Football League.
On home soil in Mallow, Cork ran out 2-11 to 1-8 winners against visitors Dublin.
Cork's All-Star Orla Finn helped herself to 1-7, all from frees, while Lyndsey Davey grabbed Dublin's goal.
At half-time, Cork were ahead by 1-5 to 1-4. Niamh Cotter netted a late penalty for Cork.
At the end of round three, four teams are locked together on six points - Dublin, Cork, Donegal and Galway.
Donegal also lost for the first time as Kerry held on for a 2-13 to 2-12 victory in Rathmore.
At Clonmore, Mayo finally got off the mark in a 3-14 to 0-18 victory over Armagh.
In Clones, Galway moved into contention with a 3-12 to 1-13 victory over hosts Monaghan.
In Division 2, there were wins on the road for Laois, Cavan and Westmeath, as Sligo defeated last year's Division 3 champions Waterford at home.
In Division 3, Tipperary continued their impressive start to the season with victory over Down.
Offaly defeated Leitrim, Roscommon drew with Meath and Wexford beat Limerick.
In Division 4, Louth, Longford, Wicklow and Carlow all won.