[S416] Casagranda, Kathy "Sabine Parish The 1850 Census with added Family Information" (May, 1999: P.O. Box 2195, Palmer, Alaska 99645), p 99-100, shows date of marriage as 3 Feb 1868 (Reliability: 3).
[S1622] Ancestry.com - Louisiana Marriage Records, 1851-1900.