Actually, I have just discovered evidence, the exclusivity of PGM dates from 1620-40 and anyone else came AFTER that date, is a bit of a romance, created after the fact. John Scribner Jenness in his charming little book "Isles of Shoals, an historical sketch" pub 1873, describes the northern New England coastal region as being frequented by seasonal fisherman, regular returning visitors, who eventually settled in the early 1600's. He further describes them as staunch "royalists".
"The founders of the Isles of Shoals....like those of Maine and New Hampshire in general felt little sympathy for the religious tenets of New Plymouth and Massachusetts. Indeed hardly more than one or two Congregational churches, after the New England model, had been gathered north of the Merrimac until after the country fell under the government of Massachusetts Bay (Colony)......Any attempt to introduce the Puritan form of worship among the Eastern (north coastal) people was considered hopeless.....The Eastern people, as to what religion they had, were thoroughly paced Episcopalians, or conformists to the Established Church of England.....The Episcopal Church at that period, contrasted itself from the sour austerities of the Reformers, by a genial patronage of gaiety and merriment, which commended it heartily to the sons of Mammon who carried on fishing and trading around the Gulf of Maine. It encouraged maypoles and morris dances, wasails and junketing of all sorts; it smiled approvingly on mince pies, cakes and ales "bone lace and tiffany hoodes" and all manner of "bravery of apparell", while on the other hand it discountenanced intellectual vexations that tormented the fantastic dissenters of the day." - Brenna