[2] Donohoe joined the Shelmaliers club at a young age and played in all grades at juvenile and underage levels as a dual player.
Lining out at centre-back he claimed a second successive winners' medal as Shelmaliers completed a three-in-a-row of championship titles following the 3-07 to 0-07 defeat of Starlights.
On 15 December 2013, he won an Under-21 Football Premier Division Championship when he lined out at full-back in a 0-13 to 0-07 defeat of Ballinastragh Gaels in the final.
[5] On 10 December 2014, Donohoe lined out at left corner-forward when Shelamliers faced Fethard St. Mogue's in a replay of the Under-21 Football Championship final.
He made his first appearance for the Wexford under-21 football team on 19 February 2014 when he lined out at left corner-back in a 1-16 to 0-06 defeat by Offaly in the Leinster Championship.
[13] On 9 July 2014, Donohoe won a Leinster Championship medal as a member of the Wexford under-21 hurling extended panel following a 1-20 to 0-18 defeat of Dublin in the final.
[19] Donohoe was straight out of the minor grade when he was added to the Wexford senior football panel at the start of the 2014 season.
On 8 February 2015, Donohoe made his senior debut when he lined out at left wing-back in Wexford's 2-13 to 1-08 defeat by Armagh in the National League.
He made his first appearance for the Wexford senior hurling team on 9 July 2016 when he came on as a 63rd-minute substitute in a 0-23 to 1-17 defeat of Cork in the All-Ireland Qualifiers.
[22] On 20 January 2018, Donohoe was selected at right corner-back when Wexford faced Kilkenny in the Walsh Cup final, however, the game ended in a 1-24 apiece draw.