4th Annual Family History EXPO in St. George, Utah

DearMYRTLE: FamilySearch and My Ancestors Found Team Up to Sponsor the 4th Annual Family History EXPO in St. George, Utah

MORGAN, UTAH - FamilySearch and My Ancestors Found (MAF) announce the 4th annual Family History EXPO in St. George, Utah, February 8-9, 2008. The EXPO (formerly known as the Genealogy and Family Heritage Jamboree) has become one of the largest and best attended family history events in the country.

and some more shows are already using the same name "Family History EXPO" - Google Search