efore Prohibition, Livermore Valley was home to more than 50 wineries: only the Wentes and Concannons survived that era. Jim Concannon, third generation of the Irish family that helped put this region on the map, proudly displays the original printing plate from the Archdiocese of San Francisco sanctioning the family to make sacramental wine during Prohibition. “The luck of the Irish!” he proclaims, although you’d swear he is crossing himself under the table.