User blog comment:IamJakuhoRaikoben/Sorcerer Magazine, Issue 27: March 2014/@comment-36.69.53.245-20140403151627/@comment-7418318-20140403201001

Not necessarily lived, but existed for sure.

What I mean is that we don't know for sure that she was alive when she founded the guild. She could have been a ghost like Roubaul 105 years ago and was only later changed in a way that made her invisible to non-Fairy Tail members.