This is a popular explanation of the etymology of the word hello.

 
> When you lift the phone, you say "Hello".
> 
> Do you know what is the real meaning of "Hello" It is the name of a
> girl.
> 
> Yes .... and do you know who is that girl
> 
> Margaret Hello. She was the girlfriend of Graham bell who invented the
> telephone. One can forget the name of Graham bell but not his
> girlfriend - that is Love !!!! or whatever....
> 
> Now you know ... well it is much better that pick up the phone and say
> "Margaret".