[1] He made his novitiate in Frederick, Maryland and professed vows in the Society of Jesus (Jesuits) on August 15, 1880.
O'Hare continued his education at the College of the Sacred Heart in Woodstock, Maryland and was ordained a priest there by Cardinal James Gibbons of Baltimore on June 25, 1903.
On September 2, 1919 Pope Benedict XV appointed O'Hare as the Titular Bishop of Maximianopolis in Arabia and Vicar Apostolic of Jamaica.
The principal co-consecrators were Bishops Thomas Beaven of Springfield in Massachusetts and Edmund Gibbons of Albany.
You can help Wikipedia by expanding it.This article about a Catholic bishop or archbishop from the Caribbean is a stub.