[1] Marshall Valley was named by the New Zealand Blue Glacier Party (1956–1957) for Dr. Eric Marshall, surgeon and cartographer of the British Antarctic Expedition (BrAE; 1907–09), who accompanied Ernest Shackleton on his journey to within 97 nautical miles (180 km; 112 mi) of the South Pole.

The glacier was observed and mapped by Troy L. Péwé, glacial geologist with United States Navy Operation Deep Freeze, 1957–1958.

The stream was observed by Troy L. Péwé, glacial geologist with United States Navy Operation Deep Freeze, 1957–1958.

Named by US-ACAN (1994) after Douglas P. DeMaster, biologist, University of Minnesota; who conducted seal studies in 1976 and 1977 (McMurdo Sound), 1977 and 1978 (South Shetland Island), 1978 and 1979 (Palmer Archipelago).

[5] This article incorporates public domain material from websites or documents of the United States Geological Survey.