The Growth of the Philadelphia Archdiocese

New Regional Parishes

New National Parishes

Existing Regional Parishes

Existing National Parishes
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There were no parishes founded between 1780 and 1790.

In 1789, the Diocese of Baltimore was erected by Pope Pius VI. It was the first diocese in the United States. At the time the only diocese as well, and all of the former colonies fell under the care of the new bishop John Carroll.

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