Ordinaries are the leaders of the local See, or eccleiastical juristiction.
If the See is a diocese, the leader is a bishop; the leader of an archdioceses is an archbishop.

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Michael Power Bishop 1841-1847
| Armand de Charbonnel Bishop 1850-1860
| John Lynch Bishop 1860-1870 Archbishop 1870-1888
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John Walsh Archbishop 1889-1898
| Denis O’Connor Archbishop 1899-1908
| F. Patrick McEvay Archbishop 1908-1911
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Neil McNeil Archbishop 1912-1934
| James Cardinal McGuigan Archbishop 1934-1971
| Philip Pocock Archbishop 1971-1978
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G. Emmett Cardinal Carter Archbishop 1978-1990
| Aloysius Cardinal Ambrozic Archbishop 1990-2006
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