Irish Daily Mail FAI Senior Cup Round 2
The two sides needed no introduction after meeting in Clonsilla twice in the last 16 of the FAI Cup in the last two seasons, where the Saints emerged victorious on both occasions.
Home advantage again proved significant in this one as two second half penalties from Gerry Gill and a Matty Henry strike earned Donal O'Brien's side another shot at the big guns.
The Inishowen side were good for their win but they had to survive some nervous moments before Gill's penalty, after a foul on striker Aidan O'Donnell, gave the hosts the lead on 48 minutes.
Former Republic of Ireland senior international Glen Crowe had the best chance of the first half as his close range shot from a Lee Dixon cross clipped the crossbar on 37 minutes.
The Saints went close again two minutes into the eventful second period when Peter Doherty cleared a Karl Summers effort off his line but the lead goal meant St Mochta's were chasing the game for majority of the second half.
Cockhill put themselves firmly in the driving seat with their second on 71 minutes as Henry fired to the roof of the net following good work by Daniel Doherty and they resolutely defended their lead in numbers as the Saints piled on the pressure late on.
The third goal ended the game as a contest as Paul McKinney was upended in the box by Warren Fee, earning the Saints 'keeper a second yellow card, before Gill fired past stand in 'keeper David Somers from the resultant penalty. The penalty was extremely harsh and it added to what was a miserable second half.
Our season ended in Donegal, and what a memorable season it was. League champions and we can look forward to playing top flight football next year. The Saints march on...
Cockhill Celtic: Gavin Cullen, Derek Doherty, Peter Doherty, Malachy McDermott, William O'Connor, Paul McKinney, Matty Henrym Christy McLaughlin, Aidan O'Donnell (Jack McDaid 55), Gerry Gill, Daniel Doherty.
St Mochta's: Warren Fee, Brian Fitzpatrick, Gavin Smith, Craig Sheridan, Luke Harrison, Stephen Deegan, Karl Summers, Johnathan Lyons (Bobby Ryan 76), David Summers, Glen Crowe (Jordan Lancaster 67), Lee Dixon (Aaron O'Brien 52)