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The IORIO (or YORIO, if anglicized) family originated in the small village of Castelmauro within the Campobasso (CB) Province of the Region of Molise Italy. Previously called "Castellucio Acquaborrana," the town had its origin in the Middle Ages on the slopes of Monte Mauro, amid thick woods of beech trees, along the left bank of the Biferno River. In the Middle Ages, this small center enjoyed a remakable importance, thanks to the powerful feudal families of the Cantelmo, D'Evoli and Mormile, who surrounded the town with high walls where only three doors of Castello, Lavaturo and Popolo opened. You can read more about this side of the family as well as its heritage in the following links that are found below.

Peter Sr. and Lucy Yorio
Peter Sr. and Lucy Yorio


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The following is a list of resources that we have found to be most helpful in assisting with either the research or presenting it to others:

ItaliaPatria Genealogy Services
TNG Software
GENS - ITALIA Surnames Map
Church of Jesus Christ of Latter-Day Saints - FamilySearch
Guide to Sicilian Names
Comunes of Italy