Statistics for occurrence #1 of “Portland, Maine” in chapter 1 of Medford Historical Society Papers, Volume 17.:
...Church in the West End of Boston.
After a few years he was chosen to be the rector of the American College of Propaganda in Rome, of which he is an alumnus.
While there he was appointed Bishop of Portland, Maine , from which place he was sent on a papal mission to Japan.
After his return he was appointed coadjutor to Archbishop Williams of Boston, and at his death succeeded him in the Archbishopric.
† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.