His father was József Búza, and his mother was Anna Hatrack. He had two siblings; the firstborn was also named János, but he died at the age of four.
He was a second-generation priest, born and ordained in the United States. He was ordained on April 2, 1949, to serve the Diocese of Cleveland, OH.
Foreign service locations
From
To
Place
Country
Church / institution
Position
1949
1951
Fairport Harbor, OH
USA
Szent Antal templom
assistant pastor
1951
1952
Cleveland, OH
USA
Szent Fülöp és Jakab templom
assistant pastor
1952
1969
USA
Field Chaplain, United States Army (USAR), 37th Infantry Division, National Guard (NG)
1956
1961
Bay Village, OH
USA
Szent Rafael templom
assistant pastor
1961
1964
Ashland, OH
USA
Szent Edward templom
Administrator of St. Edward’s Church and the St. Stephen Mission
1961
1964
West Salem, OH
USA
sideways
1964
1965
Cleveland, OH
USA
Szent Margit templom
assistant pastor and volunteer at the Hungarian church in Elyria, OH
1965
1971
Cuyahoga Falls, OH
USA
assistant pastor
1971
—
Lorain, OH
USA
Szent Péter templom
Assistant Pastor, Chaplain at Lorain Community Hospital
Búza János: personal record. In: Historical directory of Hungarian, Hungarian-descended, and Hungarian-speaking clergy serving abroad. Available at: https://www.diaszporalelkipasztorok.hu/persons_v2/view.php?id=119 (accessed: 2026-04-05).