How VERY exciting to hear from you!! I imagine we must be related, someway or another. My grandfather was George from Chios. Born in 1900. I really don't know specifics of why his last name got change so many times, but I do believe he started off as a Karavasilis. His father was Stilianos Karavasilis, and his mother was Marigo Moraitis-Karavasilis. Together they had George, Irene, Yiani, and Angeliki.
If you have an email address, I would love to if we truly are related. I have a family tree created in geni.com, that I could add you in.
I look forward to your response.
Thank you so much.