John Hopkins (1795-1873) born in Anne Arundel County was a philanthropist and financier. Before his death he bequeathed seven million to found a free hospital, now Johns Hopkins Hospital, and Johns Hopkins University, both located in Baltimore.
Johns Hopkins, Baltimore merchant & banker, left an estate of $7 million (US$137.3 million in 2014) when he died Christmas Eve 1873 at age 78. His will stipulated that his fortune be used to found two institutions that would bear his name: "Johns Hopkins University" & "The Johns Hopkins Hospital." At that time, Hopkins's gift was the largest philanthropic bequest in United States history. His name was "Johns", no apostrophe, just "Johns."