Glory to Jesus Christ!
There were Latin missionaries working in the region pretty early, but I really don't think that is where we would find the answer. The explanation is far too simplistic. They were not active long enough to evangelize the entire Romanian nation, and they would not have used the "Latin Rite" recognizable as such today. I would look for traces of
those communities in Orthodox parishes today if anywhere.
By way of example Poland also had Byzantine misionaries active in the south from sometime after 866, but there was no way for them to evangelize the entire country before the Latin church became official in the land. Today the Polish Orthodox church (one million people) largely has other historical origins that have a much stronger realistic claim, but the Roman Catholic church in Poland has some interesting markers betraying an eastern origin still.
The tendency is for communities from the eight, ninth and tenth centuries to eventually lose their peculiar qualities and practices and blend in under a local bishop. Communities from earlier than that would not likely survive at all in such remote areas.
My quess would be that this Romanian Roman Catholic phenomenon is a case of ethnic assimilation. Just as many BC in the USA these days (after a mere 100 years) have "American" names through intermarriage and converts (I can think of English, Irish, Italian, Polish, Spanish and German names masking a Ukrainian or Slovak family tree) I think the same is probably true of these ethnic Romanian congregations who seem to be most obvious where the Hungarian and German ethnic presence is least evident. Let us remember also that most of the resident Germans from the area would have probably left for Germany after WWII, but German tradesmen would have probably been active in the region for hundreds of years prior to that.
These folks could also be descendants of conversions during:
-1- The Polish or Hungarian dominance of Moldavia
-2- The Hungarian dominance of Transylvania (very long time)
Here is a map of Poland showing Moldavia as a fiefdom, most people are unaware of this part of history:
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Linked Image]
Here is another map showing half of Wallachia under Hungarian domination:
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Linked Image]
Finally, another showing Moldavia under Hungarian domination:
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Linked Image]
I love maps.
There was undoubtedly quite a bit of migrating around the country in several hundred years as well, people could wind up anywhere taking jobs building railroads in the nineteennth century for the Turks and Hungarians, or military and civil service occupations in any era up into the 20th century.
It is even possible that some of these people originated as Greek Catholics who switched to the Latin church in communist days, the Latins were more tolerated at the time.
+T+
Michael