A secondary school principal, he is originally from Fanad in County Donegal, played for the Donegal county team and was later linked with the senior managerial post of his native county on several occasions.[1][2][3]
He worked in the slums of Latin America in the 1980s.[4] As of 2023, he was living in Ardee.[5]
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. Speaking afterwards, he dedicated the victory to the victims of the Creeslough explosion.[11] Carr stayed on as Donegal manager until he stood aside on 22 March 2023.[12]
In November 2023, St Kevin's in Louth announced Carr as its manager for the 2024 season.[5]