|Place of birth||Ireland|
|Allegiance||United States of America|
|Service/branch||United States Navy|
|Awards||Medal of Honor|
Born in 1848 in Ireland, Dempsey immigrated to the United States and joined the U.S. Navy from Massachusetts. By January 23, 1875, he was serving as a seaman on the USS Kearsarge. On that day, while Kearsarge was at Shanghai, China, he jumped overboard and rescued a shipmate from drowning. For this action, he was awarded the Medal of Honor.
Dempsey's official Medal of Honor citation reads:
On board the U.S.S. Kearsarge at Shanghai, China, 23 January 1875. Displaying gallant conduct, Dempsey jumped overboard from the Kearsarge and rescued from drowning one of the crew of that vessel.
- ↑ 1.0 1.1 "Medal of Honor recipients - Interim Awards, 1871–1898". Medal of Honor citations. United States Army Center of Military History. August 5, 2010. http://www.history.army.mil/html/moh/int1871-98.html. Retrieved August 6, 2010.
- "John Dempsey". Hall of Valor. Military Times. http://valor.militarytimes.com/recipient.php?recipientid=1719. Retrieved August 6, 2010.
- "John Dempsey". Claim to Fame: Medal of Honor recipients. Find a Grave. http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=50560654. Retrieved August 6, 2010.
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