March nació en Dallas, Texas, fía de John y Laura March, tien una hermana, Charlotte.<ref name="tvg">{{Plantiya:Cita web|url = http://www.tvguide.com/celebrities/stephanie-march/bio/217622/|title = Stephanie March|publisher = [[TV Guide|TVGuide.com]]|accessdate = February 16, 2015|archivedate = October 5, 2012|archiveurl = https://web.archive.org/web/20121005071548/http://www.tvguide.com/celebrities/stephanie-march/bio/217622|deadurl = non}}</ref> Asistió al Colexu McCulloch y al Institutu Highland Park onde coincidío cola so compañera de repartidarepartu na serie <nowiki></nowiki>''[[Law & Order: Special Victims Unit]]'',<nowiki></nowiki> [[Angie Harmon]].<ref>{{Plantiya:Cita web|url = http://www.tvguide.com/celebrities/stephanie-march/bio/217622/|title = Stephanie March|publisher = [[TV Guide|TVGuide.com]]|accessdate = February 16, 2015|archivedate = October 5, 2012|archiveurl = https://web.archive.org/web/20121005071548/http://www.tvguide.com/celebrities/stephanie-march/bio/217622|deadurl = non}}</ref> Dempués del divorciu de los sos padres, la so madre volvió casase con Robert Derby.<ref name="flaymarch">{{Plantiya:Cita web|url = http://www.tvguide.com/celebrities/stephanie-march/bio/217622/|title = Stephanie March|publisher = [[TV Guide|TVGuide.com]]|accessdate = February 16, 2015|archivedate = October 5, 2012|archiveurl = https://web.archive.org/web/20121005071548/http://www.tvguide.com/celebrities/stephanie-march/bio/217622|deadurl = non}}</ref> En 1996, March graduóse en la [[Universidá Northwestern]], onde yera miembru de la hermandá Kappa Alfa Theta.<ref name="tvg">{{Plantiya:Cita web|url = http://www.tvguide.com/celebrities/stephanie-march/bio/217622/|title = Stephanie March|publisher = [[TV Guide|TVGuide.com]]|accessdate = February 16, 2015|archivedate = October 5, 2012|archiveurl = https://web.archive.org/web/20121005071548/http://www.tvguide.com/celebrities/stephanie-march/bio/217622|deadurl = non}}</ref><ref>{{Plantiya:Cita web|url = http://www.tvguide.com/celebrities/stephanie-march/bio/217622/|title = Stephanie March|publisher = [[TV Guide|TVGuide.com]]|accessdate = February 16, 2015|archivedate = October 5, 2012|archiveurl = https://web.archive.org/web/20121005071548/http://www.tvguide.com/celebrities/stephanie-march/bio/217622|deadurl = non}}</ref>
