Surname Isleifur (Isleifur ) , in all the world, is an extremely rare cognomen. Much more frequently, Isleifur is the forename as well as the last name.
Ísleifur
Leifsson, Thorsen, Ottesen, Gissurarson, Thorhallsson, Ingimarsson, and Gudmundsson
) , in all the world, is an extremely rare cognomen. Much more frequently, Isleifur is the forename as well as the last name.