The Cork girls had played with the wind in the first-half and exploited it fully, leading by 1-3 to 0-0 after ten minutes. Nicola Dennehy was the goalscorer after she played a wonderful one-two with Danielle O’Connor and placed a perfect finish past Gemma Murphy.
Mayo responded with two points but Cork added four more before half-time to lead by 1-7 to 0-2 at the break.
Cork were outstanding defensively in the second-half and a late Laura Cleary penalty sealed the win.
Scorers for Cork: L Cleary 1-3 (1-0 pen, 0-2f), N Dennehy 1-2 D O’Connor 0-3 N Lynch 0-1.
Scorers for Mayo: C Moran, M Walsh 0-1 each.
CORK: A Brennan; R Geary, E Spillane, A O’Sullivan; A Lynch, B Casey, L Crowley; C Hartnett, L O’Neill; C O’Mahony, L Cleary, A Scannell; N Dennehy, D O’Connor, N Lynch.
Subs: J Coleman for Geary, E Connolly for Dennehy, S Hayes for O’Connor, J Fox for Scannell.
MAYO: G Murphy; C McHale, C Flatley, D Tierney; A Gilmartin, S Mangan, H Cleary; S Lavelle, C Moran; T Philips, E Needham, M Walsh; S Ludden, E Ronayne, R Waldron.
Subs: G Mulligan for Waldron, R Durkan for Needham, M Reilly for Moran, A Dowling for Philips.
Referee: Gus Chapman (Sligo).