 Dunn was survived by his wife, the former Mary Augusta Armour; two daughters Marianna Dunn of Manhattan and Cynthia Esterlechner of West Germany; three grandchildren and nine great-grandchildren.In 1980, the U.S. Department of State established this award to recognize exemplary performance in the Department of State at the mid-career level (Foreign Service FS-1 or Civil Service GS/GM-15).It was made possible by an endowment from the Vincent Astor Foundation and is named, at the request of the donor, in memory of Ambassador Dunn.