You might be What makes you think the more commonly used name since  December is not Whanganui Sources published before the change obviously dont count With both major TV channels giving the Whanganui spelling I suggest that most people see the h spelling more often than they see the nonh spelling Linking to statements by reputable bodies that they plan to keep using the nonh spelling would be useful as otherwise we cant be sure that they have simply not yet updated their websites or policies I have suggested this to you before but you have not responded