High Quality Content by WIKIPEDIA articles! The Dominickers were a small biracial or triracial ethnic group that was once centered in the Florida Panhandle county of Holmes, in a corner of the southern part of the county west of the Choctawhatchee River, near the town of Ponce de Leon. The group was classified as one of the "reputed Indian-White-Negro racial isolates of the Eastern United States" by the United States Census Bureau in 1950.