In Forsyth County, a marriage typically is only valid if both individuals are of sound mind and able to enter a marriage contract, according to the Official Code of Georgia Annotated §19-3-1. Generally, and both individuals must be 18 years of age or older. However, those that are 16 or 17 years old may marry with parental consent, as per O.C.G.A. §19-3-2.