The Glisson DNA Project is open to all those genetically related to the surnames below. This list is not meant to be complete, and no one surname is more important than another. Just as DNA mutates over time, family surnames mutate as well, leading to an array of possible variations. This project aims to determine the various origins of those with the Glisson surname, to connect people who are genetically related to each other, and to confirm genealogical evidence with DNA data. Included surnames: Glasson, Glezen, Glisane, Glison, Glissen, Glisson, Glosson, Glyssane, Glysson, O Gliasáin, O'Glassane, Ó Glasáin, Ó Glesáin