Heber MacMahon

Heber MacMahon was bishop of Clogher and general in Ulster. He was educated at the Irish college, Douay, and at Louvain, and ordained a Roman Catholic priest 1625. He became bishop of Clogher in 1643 and a leader among the confederate Catholics. As a general of the Ulster army he fought Oliver Cromwell at the Battle of Scarrifholis in 1650. He was defeated, taken prisoner and executed the same year.

MacMahon was born in 1600 on the island of Inniskeen in what is now County Monaghan. He went to the Irish College at Douai in 1617 and later to Leuven. He received his education at the Franciscan Monastery in Kiltybegs, the in Louvain. He was ordained a priest in 1625 and appointed as Vicar apostolic of the Diocese of Clogher by a papal brief onNovember 1627. Fifteen years later, he was appointed Bishop of Down and Connor onMarch 1642. He played a prominent part in the Irish Catholic Confederation in Kilkenny.

Source: Wikipedia