John Carroll was an Irish-born prelate of the Roman Catholic Church.
Education
Born in Castleblaney, County Monaghan on 16 March 1838, the family moved to Liverpool, and he was educated in the Catholic Middle School, and studied for the priesthood at Ushaw and Bruges he was ordained to the priesthood on 22 December 1861.
Career
He served as the Bishop of Shrewsbury from 1895 to 1897. He was appointed Coadjutor Bishop of Shrewsbury and Titular Bishop of Acmonia on 22 August 1893. His consecration to the Episcopate took place on 28 October 1893, the principal consecrator was Cardinal Herbert Vaughan, Archbishop of Westminster, and the principal co-consecrators were Bishop William Gordon of Leeds and Bishop John Bilsborrow of Salford.
On the death of Bishop Knight, he automatically succeeded as the Bishop of the Diocese of Shrewsbury on 11 May 1895.
He died in office on 14 January 1897, aged 58.