__.__.1928
foundation as Samnium Isernia
__.__.1953
renaming to Polisportiva Isernia
__.__.1954
renaming to Unione Sportivà Saetta Isernia
__.__.1956
renaming to Unione Sportivà Isernia
__.__.1965
renaming to Societa Sportivà Aesernia
__.__.1987
dissolution (bankruptcy)
__.__.1987
refoundation as Isernia '86
__.__.1992
renaming to Polisportiva Isernia
__.__.1998
merger with Isernia Calcio to Isernia Football Club
__.__.2004
dissolution (bankruptcy)
__.__.2005
refoundation as Associazione Sportiva Dilettantistica Isernia Pentra Sport
__.__.2010
renaming to Real Isernia
__.__.2011
renaming to Isernia Football Club