James married Betsey Paynter, daughter of Johnson Paynter of Trevisker and Catherine Hender, on 4 May 1811 in St. Eval, Cornwall. (Betsey Paynter was christened on 19 May 1790 in Egloshayle, Cornwall, died on 27 Sep 1877 in Platteville, Grant, WI, USA and was buried in Greenwood Cemetery, Platteville, Grant, WI, USA.)