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

...rament0. 3. 0 The Town Records also afford some glimpses of the manner of managing ecclesiastical affairs at this period: Nov. 9, 1657. The town Voted, affirmative, that the deacons, townsmen, Mr. Jacson , Edw. Goffe, Mr. Stedman and Edw. Winship are appointed to make a levy of two hundred and forty pounds for the maintenance this year, and for the payment of the debts of our reverend pastor, Mr. Mich...
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