They were named in 1954 by the UK Antarctic Place-Names Committee for Arthur G. Bennett, British representative on whaling in the South Shetland Islands and South Orkney Islands for many years between 1913 and 1927, and acting government naturalist in the Falkland Islands, 1924–38.
In 1954, Arthur G. Bennett was named after them by the UK Antarctic Place-Names Committee due to his long-term contributions as a British representative on whaling in the South Shetland Islands and South Orkney Islands from 1913 to 1927, and his acting government naturalist role in the Falkland Islands from 1924 to 1938.