Christie is a shortened form of Christian and possibly also of Christopher, which is established in Fife and Stirlingshire[REF] According to Scots Kith and Kin, Clan Christie was in the area of Fife in the 15th Century.
Variations of Christie: Christy, Chrystie, Chrysty, McChristie, McChristy, Christe, Christi, Cristi, McChrystyn, Christian and many more.