CossigaItalian, Sardinian Sardinian translation of the place name Corsica. A famous bearer of the name is Francesco Cossiga (1928-2010), Italian politician who served as Prime Minister (1979-1980) and as President (1985-1992).
DeiddaSardinian Sardinian cognate of Villani, from de "of, from" and bidda "town, hamlet".
DeleddaItalian, Sardinian Variant of Ledda. A famous bearer of this surname is Nobel Prize for Literature recipient Grazia Deledda (1871–1936).
Di'bonariaSardinian (Rare) (Our Lady of Bonaria) Also known as Blessed Virgin Mary located in Cagliari, Italy... Di meaning (of) and Bonaria meaning "Good Natured". Last name given to honor Our Lady of Bonaria.
LeddaItalian, Sardinian Probably from the former Medieval town of Lella, in northern Sardinia. The transformation of -ll- into -dd- is common in Sardinian.