Right Rev. John Leonard, D.D., was an Irish born priest who served in Ireland and South Africa. Born in Dublin on 15 January 1829, he matriculated in St. Patrick's College, Maynooth in 1849. He was ordained a priest in 1855 by Archbishop of Dublin Paul Cullen.
- Occupation
- Catholic priest, Catholic bishop
- Position held
- titular bishop, vicar apostolic
- Born
- January 15, 1829
- Died
- February 19, 1908
