Statistics for occurrence #1 of “Mr. Mitchell” in chapter 17 of Lucius R. Paige, History of Cambridge, Massachusetts, 1630-1877, with a genealogical register:

...III., that as early as March, 1654-5, some of the inhabitants on the south side of the river requested that they might have the ordinances of Christ amongst them, distinct from the town. Doubtless Mr. Mitchell shared the fears which were expressed by the townsmen, that the fraction will prove destructive to the whole body. Upon the extreme urgency of the petitioners, the town consented, Jan. 23, 1659-60...
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