Coltraro is very rare and is specific to Catania, Cultraro, quite rare, is typical of the Catania and Syracuse regions, it could derive from a nickname originating from a trade, the seller of blankets. We find in Catania, in the second half of the 1600s, a notary Giacinto Coltraro, in the archive of the convent of the Dominican fathers, in Catania, we read of "... casaleni di Cultraro ...", in 1865 a Mario Coltraro, bequeaths at the University of Catania the necessary funds for the enlargement of the Botanical Garden. additions provided by Giovanni Vezzelli Coltraro is a Sicilian surname that indicates 'who does or sells coulters'. Rohlfs 74.
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