Titular Episcopal See of

Alton

Rite: Roman (Latin)

Location: Illinois, m. Chicago, USA

1857.01.09: Established as Diocese of Alton (English) / Altonen(sis) (Latin) (from the suppressed Diocese of Quincy)
1887.01.07: Lost territory to establish Diocese of Belleville
1923.10.26: Suppressed (to establish Diocese of Springfield in Illinois)
1995: Restored as Titular Episcopal See of Alton (English) / Altonen(sis) (Latin)

Titular Bishop (2001.10.30 – ...):

Bishop Josu Iriondo (77)

Auxiliary Bishop emeritus of New York (USA)

Bishops of Alton (Roman Rite)

Bishop James Ryan
(1888.02.28 – 1923.07.02)

Bishop of Alton (1888.02.28 – 1923.07.02)

Bishop Peter Joseph Baltes
(1869.09.24 – 1886.02.15)

Bishop of Alton (1869.09.24 – 1886.02.15)

Bishop Henry Damian Juncker
(1857.01.09 – 1868.10.02)

Bishop of Alton (1857.01.09 – 1868.10.02)

Titular Bishop: Bishop John Clayton Nienstedt (69) (later Archbishop) (1996.06.12 – 2001.06.12)

as of 2016.09.12