 The name Bourne came from Ansel Bourne, a preacher in Rhode Island,  the first documented case of "dissociative fugue", a condition not  unlike dissociative amnesia or dissociative identity disorder  (multiple personality disorder). One day in 1887 he forgot who he  was, started a new life in Pennsylvania under the name Brown, and  opened a convenience store. About three months later, he woke up and  not only remembered his life as Bourne, but forgot all of his life  as Brown... and needless to say was quite confused as to why he was  in Pennsylvania.