{i} male first name; family name; Donovan Philips Leitch (born 1946), British musician generally known simply as "Donovan"; William Joseph Donovan (1883-1959), United States military officer and attorney, founder and director of the OSS from 1942 to 1945; village in Illinois (USA)
An Irish surname, Gaelic Ó Donndubháin "descendant of (a person named) brown + black"