16 teams competed, with the winner representing Donegal in the Ulster Senior Club Football Championship.
The defending Donegal (and Ulster) champion was Gaoth Dobhair, after the club defeated Naomh Conaill by a scoreline of 0–17 to 1–7 in the 2018 final.
However, Gaoth Dobhair failed to defend its crown, losing the final to Naomh Conaill, by one point, after a second replay.
This was Glenfin's return to the senior grade after a two-year exodus, when claiming the 2018 I.F.C.
Ciarán Thompson was named as the recipient of the annual Gradam Shéamuis Mhic Géidigh.