| Bishops |
 Bishop Olindo Natale Spagnolo Martellozzo, M.C.C.J.
| Born: | 1925.12.25 (Italy) | | Ordained Priest: | 1952.03.29 | | Consecrated Bishop: | 1990.03.03 | | Died: | 2008.07.23 († 82) |
| Auxiliary Bishop of Guayaquil (Ecuador) (1990.02.02 – 2001.03.03) Titular Bishop of Cissi (1990.02.02 – 2008.07.23) |
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 Archbishop John Lancaster Spalding
Hinc mihi salus | Born: | 1840.06.02 (Lebanon, KY, USA) | | Ordained Priest: | 1863.12.19 | | Consecrated Bishop: | 1877.05.01 | | Died: | 1916.08.25 (Peoria, IL, USA † 76) |
| Bishop of Peoria (USA) (1876.11.27 – 1908.09.11) Titular Archbishop of Scythopolis (1908.09.11 – 1916.08.25) |
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 Bishop Isidoro Spanò
| Born: | 1757.01.13 (Italy) | | Ordained Priest: | 1781.03.10 | | Consecrated Bishop: | 1801.11.22 | | Died: | 1840 († 83) |
| Titular Bishop of Nemesi (1801.09.28 – 1840) Auxiliary Bishop of Mazara del Vallo (Italy) (1801.09.28 – 1840) |
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Bishop John Selby Spence | Born: | 1909.05.19 (USA) | | Ordained Priest: | 1933.12.05 | | Consecrated Bishop: | 1964.05.19 | | Died: | 1973.03.07 († 63) |
| Titular Bishop of Aggersel (1964.03.17 – 1973.03.07) Auxiliary Bishop of Washington (USA) (1964.03.17 – 1973.03.07) |
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 Bishop Frank Richard Spencer (73)
Titular Bishop of Auzia
Auxiliary Bishop of the Military Ordinariate of United States of America (USA)
Auscultabo ut serviam | Born: | 1951.06.10 (Boston, MA, USA) | | Ordained Priest: | 1988.05.14 | | Consecrated Bishop: | 2010.09.08 |
| Priest of Baltimore (USA) (1988.05.14 – 2010.05.22) Titular Bishop of Auzia (2010.05.22 – ...) Auxiliary Bishop of the Military Ordinariate of United States of America (USA) (2010.05.22 – ...) |
|
 Bishop Johann Spenner, O.F.M.
| Consecrated Bishop: | 1482.11.18 | | Died: | 1503.12.05 |
| Titular Bishop of Cyrene (1482.11.04 – 1503.12.05) Auxiliary Bishop of Köln (Germany) (1482.11.04 – 1503.12.05) |
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Bishop-elect Dennis Edward Spies (56) Titular Bishop of Cenculiana
Auxiliary Bishop of Joliet (USA)
I call you friends | Born: | 1968.03.05 (Clifton, IL, USA) | | Ordained Priest: | 2002.06.01 | | Consecrated Bishop: | 2024.11.06 |
| Priest of Joliet (USA) (2002.06.01 – 2024.09.27) Titular Bishop of Cenculiana (2024.09.27 – ...) Auxiliary Bishop of Joliet (USA) (2024.09.27 – ...) |
|
 Bishop Eberhard Spiess, O.S.B.
| Born: | 1902.05.06 (Germany) | | Ordained Priest: | 1930.03.09 | | Consecrated Bishop: | 1953.12.03 | | Died: | 1990.09.17 († 88) |
| Abbot Ordinary of Peramiho (Tanzania) (1953.09.23 – 1969.02.06) Titular Bishop of Cemerinianus (1953.09.23 – 1990.09.17) |
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Archbishop Nicolò Antonio Spínola, O.M. | Born: | 1716.03.27 | | Ordained Priest: | 1739.04.14 | | Consecrated Bishop: | 1770.04.29 |
| Titular Archbishop of Naupactus (1769.11.20 – ?) |
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Bishop Pierre Spitznagel, O. Carm. | Born: | 1411 (Germany) | | Died: | 1465? († 54) |
| Titular Bishop of Myra (1444 – 1465?) Auxiliary Bishop of Speyer (Germany) (1444 – 1465?) |
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Archbishop Domenico Spolverini | Born: | 1871.03.12 (San Martino al Monte Cimino, Italy) | | Consecrated Bishop: | 1933.06.18 | | Died: | 1939.07.19 (Roma, Italy † 68) |
| Titular Archbishop of Larissa in Thracia (1933.05.22 – 1939.07.19) |
|
Bishop Francisco Spolverini |
Bishop Luigi Sposito |
 Bishop Andrzej Spot, O. Cist.
| Titular Bishop of Laodicea (1547.03.23 – 1560.03.05) Auxiliary Bishop of Kraków (Poland) (1547.03.23 – 1560.03.05) |
|
 Bishop Donald George Sproxton (71)
Titular Bishop of Timici
Auxiliary Bishop of Perth (Australia)
Duc in altum | Born: | 1953.02.07 (Subiaco, Western Australia, Australia) | | Ordained Priest: | 1977.12.17 | | Consecrated Bishop: | 2002.02.21 |
| Priest of Perth (Australia) (1977.12.17 – 2001.12.12) Titular Bishop of Timici (2001.12.12 – ...) Auxiliary Bishop of Perth (Australia) (2001.12.12 – ...) |
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Archbishop Donato Squicciarini |
Archbishop Ambrogio Squintani | Born: | 1885.02.22 (Italy) | | Ordained Priest: | 1907.08.10 | | Consecrated Bishop: | 1936.11.01 | | Died: | 1960.08.08 († 75) |
| Bishop of Ascoli Piceno (Italy) (1936.09.21 – 1956.12.17) Titular Archbishop of Amorium (1956.12.17 – 1960.08.08) |
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 Archbishop Josep Srebrnic
| Born: | 1876.02.02 | | Ordained Priest: | 1906.10.28 | | Consecrated Bishop: | 1923.12.08 | | Died: | 1966.06.21 († 90) |
| Bishop of Krk (Croatia) (1923.09.15 – 1966.06.21) Apostolic Administrator of Rijeka–Opatija (Croatia) (1949 – 1952) Archbishop ad personam (1963.03.02 – 1966.06.21) |
|
 Bishop Andrzej Śrzedziński
| Titular Bishop of Nicopolis (1641.09.16 – 1654) Auxiliary Bishop of Lviv (Ukraine) (1641.09.16 – 1654) |
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