In accordance with this rule it may safely be assumed that the forefathers of Boston had built the first prison-house somewhere in the Vicinity of Cornhill, almost as seasonably as they marked out the first burial-ground, on Isaac Johnson’s lot, and round about his grave, which subsequently became the nucleus of all the congregated sepulchres in the old churchyard of King’s Chapel.
There are no more uses of "congregate" in the book.
Show samples from other sources
People congregated outside of City Hall to protest.
It was in the quiet at the end of the day, when we began to congregate in the open space before climbing into our caves.