Blessed Marcelina Darowska
Polish nun
Saint Marciana of Mauretania
3rd century North African martyr
March Avery
American artist, daughter of artist Milton Avery
Marsha Mason
American actress
Marsha P. Johnson (1945 – 1992) transgender woman and LGBT+ activist
Dunbar Wright Bostwick
American businessman, hockey player, pilot and horseman
Dunbar Merrill
American reality TV personality ("The Real World")
Rockmond Dunbar
American actor