Novocastrian -Newcastle

For the past one and a half years I've been residing here in Newcastle, not once did I hear the word Novocastrian. This strange word was only recently brought up to me by my partner Leigh whom mentioned it once during a conversation with someone and it struck my ear. What does Novacastrian mean?!? So a little bit of asking had lead me to realise the meaning of this unknown term. The word Novocas...