Discovered in December 1934 by the Byrd Antarctic Expedition geological party under Quin Blackburn, and named by Byrd for Curtis D. Wilbur, Secretary of the Navy, 1925–29.
In December 1934, a geological team from the Byrd Antarctic Expedition, led by Quin Blackburn, stumbled upon this feature. It was subsequently named after Curtis D. Wilbur, who served as Secretary of the Navy from 1925 to 1929.