>
Surname Ísak (Ísak ) , in all the world, is an extremely rare cognomen. Much more prevalently, Ísak is the forename as well as the last name.
Toma, Gústafsson, Bergþórsson, Sigurðsson, Ólafsson, Víðisson, Viktorsson, Einarsson, Jóhannsson, Jónasson, Jacobsen, Rúnarsson, Petersen, Kárason, Bjarnason, Kristinsson, Birgisson, Scheving, Malmquist, Ívarsson, Isaksen, Valsson, Hjaltested, Högnason, Tómasson, Jónsson, Guðmann, Arnarson, Markússon, Loftsson, Örn, Andersen, and Kristjánsson