Michael Sweeney, a pioneer of junior and intermediate association football in County Donegal.

Michael Sweeney also served as Fanad United's team manager and he was responsible for guiding the club to victory in two national cup competitions.

In 1978–79 United won the FAI Youth Cup after defeating Shelbourne U19 3–1 in the final at Swilly Park.

In 1987–88 they won the FAI Intermediate Cup after defeating Tramore Athletic 1–0 at Dalymount Park.

After they finished top of their group, following three wins against Sligo Rovers, Derry City and Finn Harps, they qualified for the quarter-finals where they defeated Galway United 1–0.

In 1995–96 they defeated Bray Wanderers 4–0 at the Carlisle Grounds before losing 3–0 to St Patrick's Athletic in the round of sixteen.

[15] Despite a year on the sidelines due to COVID-19, they have since enjoyed great success under ex-captain Arthur Lynch.

Fanad United play their home games at Traigh-a-Loch,[19] located between Lough Swilly and Mulroy Bay.