evidence: We will give you a hint: it's got nothing to do with Alexander Graham Bell's girlfriend's name... A video shared on social media allegedly shares the meaning behind the greeting 'Hello', linking it to Alexander Graham Bell's fiancee, Margaret Hello... According to several online sources, this is false. First, Alexander Graham Bell's wife's name was Mabel Gardiner Hubbard. Second, it has been said that American inventor and businessman Thomas Edison proposed using the word 'Hello' as a greeting, and it stuck.