Career
Born in Dublin on 15 January 1829, he matriculated in Saint Patrick"s College, Maynooth in 1849. He was ordained a priest in 1855 by Archbishop of Dublin Paul Cullen. Doctor Leonard was curate at Blanchardstown, Company
Dublin, when appointed to succeed Doctor Grimley in Roman Catholic Archdiocese of Cape Town, as Vicar Apostolic of the Cape of Good Home and Titular Bishop of Corada, serving from 1872 until he died on 19 February 1908, he was succeeded by Doctor John Rooney as Bishop.