The Collaborative International Dictionary of English v.0.48:
Geordie \Geor"die\, n. A name given by miners to George Stephenson's safety lamp. --Raymond. [1913 Webster]WordNet (r) 3.0 (2006):
Geordie n 1: a native of Newcastle-upon-Tyne 2: the nonstandard dialect of natives of Newcastle-upon-Tyne