Eparchy / Diocese

[Madaglan]

Is there a difference between an eparchy and a diocese? I notice that the term eparchy is used amongst many Eastern Catholic jurisdictions in the US, while the term diocese is primarily used by the Orthodox for the jurisdictions in the US, eparchy rarely used. Any reason for this apparent difference?

 

[Cluny]

Just usage and custom. The terms are really equivalent.

Generally, Eastern Catholics use the term “Eparchy” because many times Latin Bishops have the same see city for their “Diocese.”

 

[Aramis]

Is there a difference between an eparchy and a diocese? I notice that the term eparchy is used amongst many Eastern Catholic jurisdictions in the US, while the term diocese is primarily used by the Orthodox for the jurisdictions in the US, eparchy rarely used. Any reason for this apparent difference?

Officially, no. Unofficially, yes.

A Roman Diocese model is the Bishop acts, often consulting specific bodies politic or bodies knowledgeable before making the declaratory and injunctive decision. Further, while not quite deputed for all purposes, the Roman Vicar General acts on the bishop’s behalf in a great many ways.

Byzantine Eparchial administration is generally by the Eparch with his prebyters as a whole; when not as a whole, a permanent council of consultors, usually senior priests, is consulted prior to any major decisions.

It’s subtle, but there is a difference in the praxis.

 

[Formosus]

Diocese is a Latin word while eparchy comes from Greek I think.

 

[Diak]

Officially and unofficially, no. You will even hear bishops of eparchies refer to their eparchy as a diocese. It is more a function of how the eparchy/diocese was canonically established (what it was called in the decree) and how it was legally incorporated (what the title was on the incorporation) as much as anything else.

 

[jjaponick]

There is no real difference. They pretty much mean the same thing.