|Died||22nd July 1908
|Place of burial||Greenbank Cemetery, Bristol|
|Allegiance||United States of America|
|Service/branch||United States Navy|
|Unit||USS Huron (1875)|
|Awards||Medal of Honor|
Williams was born in 1825 in Malta and after emigrating to the United States he joined the United States Navy. He was stationed on the USS Huron (1875) when it departed Hampton Roads, Virginia November 23, 1877 and proceeded to Cuba on a scientific cruise. At approximately 1 a. m. November 24, near Nags Head, North Carolina the Huron encountered heavy weather and wrecked. Initially the crew attempted to free the vessel but the ship heeled over killing 98 of the crew. For his actions Williams received the Medal of Honor in 1879. Williams married an English woman and retired to the city of Bristol, England. He died on the 22nd of July 1908 and is buried in Greenbank Cemetery, Bristol 
Medal of Honor citation
Rank and organization: Seaman, U.S. Navy. Born: 1825, Malta.
For courage and fidelity displayed in the loss of the U.S.S. Huron, 24 November 1877.
- "Interim Awards, 1901-1911; Williams, Antonio entry". Medal of Honor recipients. United States Army Center of Military History. August 3, 2009. Archived from the original on 4 November 2010. Retrieved October 1, 2010.
- "Huron". Dictionary of American Naval Fighting Ships. Navy Department, Naval History & Heritage Command. Retrieved October 1, 2010.