Murphy Inlet is an ice-filled inlet about 18 nautical miles (33 km) long, with two parallel branches at the head, lying between Noville and Edwards Peninsulas on the north side of Thurston Island

Thurston Island

Thurston Island is an ice-covered, glacially dissected island, long, wide and in area, lying a short way off the NW end of Ellsworth Land, Antarctica. It is the third largest island of Antarctica, after Alexander Island and Berkner Island...

. Delineated from aerial photographs taken by U.S. Navy Operation Highjump in December 1946. Named by Advisory Committee on Antarctic Names

Advisory Committee on Antarctic Names

The Advisory Committee on Antarctic Names is an advisory committee of the United States Board on Geographic Names responsible for recommending names for features in Antarctica...

 (US-ACAN) for Charles J.V. Murphy, assistant to R. Admiral Byrd after Byrd Antarctic Expedition of 1928-30, and member of the wintering party of Byrd Antarctic Expedition of 1933-35.