Isaac Van Zandt marker dedicated Posted in: News A historical marker dedication in memory of the man that Van Zandt County was named after was held June 28 inside and outside the VZC Courthouse. The Texas Legislature named VZC after Isaac Van Zandt to honor his legacy in 1848, according to the VZC Historical Commsision. In a program hosted by ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!