St. Stephen was not "ordained" a saint. He was, however, ordained a deacon. He was declared a saint by popular acclamation. He died over a thousand years before a formal canonization process was instituted.
Saint Christopher was neither a priest nor a bishop so was never ordained.
Saint Stephen was one of the first deacons of the early Christian Church. He was known for his faith, preaching, and miracles. He was martyred for his beliefs and became the first Christian martyr, which contributed to his recognition as a saint in the Catholic Church.
There is a saint named Therese and several others named Teresa but I can find no saint named Theresa. Besides that, saints are canonized and not ordained.
Saul of Tarsus, later known as Saint Paul, witnessed and approved of the execution of Saint Stephen.
Saint Stephen, Deacon and Martyr
There is no prescribed dress for Saint Stephen's Day.
The Stoning of Saint Stephen was created in 1625.
He was ordained in Europe, probably Rome.
Saint Patrick was ordained a bishop in Gaul, which is present-day France.
Saint Patrick returned to Ireland ordained a priest, possibly by Saint Germanus.
The patron saint of brick layers is Saint Stephen of Hungary.
Saint Stephen.