Statistics for occurrence #1 of “John Sprague” in chapter 15, page 87 of Historic leaves, volume 4, April, 1905 - January, 1906:

...fin, a Nantucket sailor. Thomas Powers, who married a daughter of Miriam Fosket, was a blacksmith. He died in 1759, leaving an estate of £ 1,057, including a negro woman, named Essex. John Sprague was the gunsmith, son of Jonathan and Mary (Bunker) Sprague. His wife was Elizabeth, a daughter of Ebenezer and Thankful (Benjamin) Austin, the saddler of Charlestown. His father had been a soldi...
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John Sprague 36 10 0 0 0 user votes

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