The title of Earl of Hereford was created six times in the Peerage of England. See also Duke of Hereford, Viscount Hereford. Dates indicate the years the person held the title for.
earldom forfeit 1051–1052
earldom extinct 1057–1058
earldom extinct 1066–1067
earldom forfeit 1074–1141
earldom extinct 1155–1199
Heiresses:
peerage abeyant 1373 several claimants pending verification