Orenburg and Turgai
Bishops 4
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1908 – 1910
Ioakim Levitskii 1853–1918
Bishop
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1910 – 26 July 1914
Feodosii Oltarzhevskii 1867–1914
Bishop
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30 July 1914 – 1920
Mefodii Gerasimov 1856–1931
Bishop, then Archbishop
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1937
Varlaam Kozulya 1871–1937
Bishop
In the order of their start dates; bishops whose dates are unknown come last. Gaps are periods the data does not yet cover.
Also named after the see
Retired bishops who kept its name, and clergy or lay people whose title was attached to it.
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1920 – 24 March 1922
Mefodii Gerasimov 1856–1931
Former Archbishop