MacMillan, Rear Admiral Donald Baxter

Rear Admiral Donald Baxter MacMillan

United States Navy Reserve
Arctic Explorer

Service Highlights

Born November 10, 1874 in Provincetown, Massachusetts.
Became one of the most noted Arctic explorers of his generation, leading more than 25 Arctic expeditions over the course of his career.
Commissioned an ensign in the U.S. Naval Reserve Flying Corps on December 24, 1918.
Returned to naval service during the Second World War and transferred his schooner Bowdoin to the Navy for the duration of the war in 1941.
Promoted to commander in 1942.
Advanced by special act of Congress to the rank of rear admiral on the Naval Reserve retired list in 1954.
Made his final Arctic voyage in 1957.
Died September 7, 1970 in Provincetown, Massachusetts.
Honoured through the St. Marys Legion Veterans Banner Program, sponsored by Dan Macdonald.

A Life and Service Remembered

Donald Baxter MacMillan lived a life of remarkable adventure, service, and exploration. Born in Provincetown in 1874, he lost both of his parents while still young. During those difficult early years, he lived with the family of Captain Murdick McDonald.

MacMillan went on to become one of the great Arctic explorers of his era. Over decades of travel in the North, he combined seamanship, scientific curiosity, and leadership, building a reputation for knowledge of Arctic geography, weather, and Inuit life. His work also helped pioneer the use of radio, aircraft, and modern communication in Arctic exploration.

His service also included a naval career. He was commissioned in the U.S. Naval Reserve after the First World War and returned to duty during the Second World War, when his schooner Bowdoin was transferred to the Navy and he served once again in uniform. In 1954, his lifetime of achievement was recognized with elevation to the retired rank of rear admiral.

Though best known for his Arctic work, MacMillan’s story also carries a personal link through Captain Murdick McDonald, both men’s descendant are proud to be apart of his legacy and is part of why he is remembered here in St. Marys. His banner was sponsored by Dan Macdonald, helping honour both a remarkable life of service and the family tie that links our past to present.

Major Battles and Operations

Arctic exploration and scientific expeditions from 1908 to 1957
Service in the U.S. Naval Reserve Flying Corps beginning in 1918
Second World War naval service connected with the schooner Bowdoin and the U.S. Navy Hydrographic Office