Welcome to the Hip Forums I'm not familiar with Northumbrians. I've never been called that, but it doesn't mean that I'm not one I guess. Hence I do live in the north I have two thumbs And one of my best friends name is Brian. Enjoy your stay.
I like the name, Northrumbians. It's sounds very intimidating like I imagine a big Viking or a Irishman. We are the Northrumbians!