Happy to see many Locastro in the net. I live in Milano, Italy, my father Michele Locastro was born in a small city called Grammichele near Catania, in Sicily. His father was born in Grammichele also, he died in the second world war, in the USSR. In Italy there are many Locastro. I hope you will be happy to read one of yuou related from Italy. I'm 33 and I'm an educational-project manager.
PS: someone has mentioned the village of Linguaglossa... is near Catania.
sorry for my english