Statistics for occurrence #1 of “Roman Catholic” in chapter 15 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 6, 10th edition.:

...ach church was an assembly formed by voluntary agreement; self-constituted, self-supported and independent. They were clear that no person or church had power over another church. There was not a Roman Catholic altar in the place; the usages of papists were looked upon as worn-out superstitions, fit only for the ignorant. But the people were not merely the fiercest enemies of popery and slavery; they were...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Roman Catholic 302 2 0 0 0 user votes
English Roman Catholics 30 0 0 0 0 user votes
Irish Roman Catholics 2 0 0 0 0 user votes

† 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.