[6] Carr managed St Oliver's CC to County and Provincial titles, taking them to the All-Ireland Vocational Final.
He played his underage football with Kilmacud Crokes, while attending Oatlands College in Stillorgan.
He made the switch to Walterstown in County Meath to play his senior football when he moved to live in Navan.
[8] In October 2022, Carr was appointed for a two-year term as manager of the Donegal senior footballers, with a review planned following the first of those years.
[9][10] On 29 January 2023, Carr won his first game as Donegal manager, defeating the reigning All-Ireland champions Kerry.