[3] According to a 2015 TUD study by Shane Mangan, Donegal had the largest playing population in Ulster, with 14,000 players at that time.

[5] Charlie O'Donnell resigned as County Secretary for personal reasons 15 months into a seven-year contract in December 2009.

[7] Naul McCole was County Chairman in 1992 and was also a selector under Brian McEniff when Donegal won the 1992 All-Ireland Senior Football Championship Final.

[9] Brian McEniff was County Chairman in late 2002 when, unable to find a manager for the senior football team, he did it himself.

[13] Aodh Ruadh clubman Mick McGrath — a former inter-county referee — succeeded Dunnion as the 43rd chair in 2017.

Aodh Ruadh of Ballyshannon are next in the Donegal SFC rankings, before a sizeable gap to fourth position.

Killybegs, though possessing only six SFCs, also appeared in the final of the 1991 Ulster Senior Club Football Championship, a feat never achieved by either St Eunan's or Aodh Ruadh.

[18][19] These range from Malin at the northernmost point of the county to Naomh Columba in the south, a round distance cited in 2020 media reports of c. 320 kilometres, with an estimated one-way time of more than two hours before roadworks were taken into account.

They team later qualified for the 1992 All-Ireland Senior Football Championship Final, where it defeated heavy favourites Dublin.

[25][26][27] In 2019, following the 2018 Nicky Rackard win, the county made its debut in the Christy Ring Cup, the competition founded in place of the All-Ireland Senior B Hurling Championship.

The Pan Celtic games of 2006 rejuvenated camogie in Donegal and the county returned to competition in the Ulster Junior Championship in 2008.

[29] Under Camogie's National Development Plan 2010–2015, "Our Game, Our Passion",[30] it was announced that Donegal, Kerry, Mayo and Monaghan would receive a total of 14 new clubs by 2015.