The Book of Irish Names, First Family & Place Names has Chrystal listed as a form of Christopher.  Surnames: What's In A Name? also mentions Chrystal as a variation of Cristal.

A Scottish patronymic name derived from Christopher (bearer of Christ).  Other variations are Crystall, Chrystall, Crystol, Kristall.   Family Education has Christal as Scottish variant of Chrystal; Americanized spelling of German Christel or Kristal. 

Back to CHRISTAL SFC to Christal SFC