10 Notable alumni of St John’s Seminary

Updated: June 17, 2026 EliteDegrees

St John’s Seminary is 6613st in the world, 1st in North America, and 1719st in the United States by aggregated alumni prominence. Below is the list of 10 notable alumni from St John’s Seminary sorted by their wiki pages popularity. The directory includes famous graduates and former students along with research and academic staff. Many individuals affiliated with St John’s Seminary won Nobel Prizes for Peace, in Physics, Chemistry, Physiology or Medicine, and Economics.

Armando Xavier Ochoa

1. Armando Xavier Ochoa

1943-. (aged 83)
Catholic priest Catholic bishop
Armando Xavier Ochoa is an American Catholic retired prelate who served as bishop of Fresno in California (2011 to 2019), bishop of El Paso in Texas (1996 to 2011) and as an auxiliary bishop for the Archdiocese of Los Angeles in California (1986 to 1996).
+ show more
William DuBay

2. William DuBay

1934-2022 (aged 88)
writer
William Henry DuBay was an American Catholic priest and activist whose activities and suspension from the priesthood created controversy in the mid-1960s. He published widely on church reform, the rights of ethnic and sexual minorities, and plain language.
+ show more
Cirilo Flores

3. Cirilo Flores

1948-2014 (aged 66)
Catholic bishop lawyer Catholic priest
Cirilo B. Flores was an American prelate of the Roman Catholic Church who served as bishop of the Diocese of San Diego in California from 2013 until his death in 2014. He previously served as coadjutor bishop of the same diocese from 2012 until 2013 and as an auxiliary bishop of the Diocese of Orange in California from 2009 until...
+ show more
George Hugh Niederauer

4. George Hugh Niederauer

1936-2017 (aged 81)
theologian Catholic bishop Catholic priest
George Hugh Niederauer was an American prelate of the Roman Catholic Church. He served as the archbishop of San Francisco in California from 2005 to 2012. Before that, Niederauer served as bishop of Salt Lake City in Utah from 1994 to 2005.
+ show more
Joseph Vincent Brennan

5. Joseph Vincent Brennan

1954-. (aged 72)
Catholic priest Catholic bishop
Joseph Vincent Brennan is an American Catholic prelate who has served as Bishop of Fresno in California since 2019. He previously served as an auxiliary bishop of the Archdiocese of Los Angeles in California from 2015 to 2019.
+ show more
William Levada

6. William Levada

1936-2019 (aged 83)
archbishop Catholic bishop Catholic priest
William Joseph Levada was an American Catholic prelate who served as prefect of the Congregation for the Doctrine of the Faith from 2005 to 2012. During that time, he was the highest-ranking American in the Roman Curia. He was previously the Archbishop of Portland in Oregon from 1986 to 1995 and Archbishop of San Francisco from 1995 to 2005. During...
+ show more
Jaime Soto

7. Jaime Soto

1955-. (aged 71)
Catholic priest Catholic bishop
Jaime Soto is an American Catholic prelate who has served as Bishop of Sacramento since 2007. He previously served as an auxiliary bishop of the Diocese of Orange in Southern California from 2000 to 2007.
+ show more
Justin Francis Rigali

8. Justin Francis Rigali

1935-. (aged 91)
Catholic priest Catholic bishop diplomat philosopher
Justin Francis Rigali is an American prelate of the Catholic Church. After a diplomatic and academic career in Rome, he served as Archbishop of St. Louis from 1994 to 2003. He then served as Archbishop of Philadelphia from 2003 until his resignation in 2011, following a probe into the Archdiocese of Philadelphia sex abuse scandal. He was created a cardinal...
+ show more
Roger Mahony

9. Roger Mahony

1936-. (aged 90)
Catholic priest amateur radio operator Catholic bishop university teacher
Roger Michael Mahony KGCHS is an American Catholic retired prelate who served as archbishop of Los Angeles in California from 1985 to 2011. He previously served as an auxiliary bishop of the Diocese of Fresno in California from 1975 to 1980 and bishop of the Diocese of Stockton in California from 1980 to 1985.
+ show more
Gustavo García-Siller

10. Gustavo García-Siller

1950-. (aged 76)
Catholic priest Latin Catholic bishop
Gustavo Garcia-Siller, M.Sp.S. is a Mexican-American prelate of the Catholic Church. He has been serving as archbishop of the Archdiocese of San Antonio in Texas since 2010. He served as an auxiliary bishop of the Archdiocese of Chicago in Illinois from 2003 to 2010.
+ show more