"England & Wales Non-conformist births and baptisms", database with images, Findmypast.co.uk(http://findmypast.co.uk : accessed 7 February 2018), entry for William Dix baptism date 11 December 1796 at Cradley, Park Lane Chapel (Presbyterian); citing The National Archives RG/4/2015

Text from source:

179. William son of Joseph and Ruth Dix, near Cradley Field in the Parish of Halesowen and County of Worcester baptised Dec 11th 1796