William Gwinn
(d.1912)
Died aged unknown
Wikidata WikipediaWilliam Gwinn (Guinn, Guin) (born 1755) was an African American from Boston, Massachusetts. He was one of the first black Americans to participate in the antebellum American Back-to-Africa movement under the auspices of Captain Paul Cuffe's 1815 voyage to Sierra Leone.
DbPedia
Commemorated on 1 plaque
This Plaque Marks the Communication Workers Union's Respect for the Five Postal Workers who Died on Duty on this Ship and Reflects the Universal Comradeship and Enduring Loyalty of Postal Workers Throughout the World
ocean bed, 400 miles south of Newfoundland, Atlantic Ocean, International Waters where they died (1912)