I'm researching the noble family of Tollassy from Hungary, Slovakia, and Austria. More information is available at my website,
http://www.geocities.com/jagerskySurname variants in both Europe and America include: Tollasy, Tollassi, Tollasi, Tolasi, Tolosi, Talazy, Tulassy, Dulacy, Kulassy, Gyulassy, and Gulyas, among others.
Please contact me if you have any information that will help.