Jonathan Grout (July 23, 1737 – September 8, 1807) was a member of the United States House of Representatives from Massachusetts. Grout was born in Lunenburg in the Province of Massachusetts Bay and served in the First United States Congress.Biographical Directory of the United States Congress entry for Jonathan Grout

His son, Jonathan Grout Jr., built the first optical telegraph in the United States, connecting Martha's Vineyard and Boston.Martha's Vineyard Times, Ten Minutes to Boston

A descendant of his was Edward M. Grout (1861–1931), a lawyer and New York City Comptroller.

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