1850 - Census Lauderdale Co., Ala.
  p. 240 131 132 (Very close to Enoch Brewer with Sanders as son)
  Rohdy (Rhody?) Duff   60 F Carding and Spin'g 50  SC
  Polly                 21 F Weaving                SC

  132 133
  Mary Duckett          64 F Farmer     150         SC

  133 134
  John H. Dewburry      42 M                        NC
  ...
  Patrick Duff          20 M Laborer                AL

1859 - Texas Marriages 1814-1909 from Ancestry.com

  Patrick W. Duff  & Angelina M. Stanley  16 Jan 1859
  Red River County, Texas
  

1860 Census - Red River County, Texas
15 Jun 1860

  104 104
  P. H. Duff    27 M Farmer --- 100 Ala
  Angeline      18 F                R. R. Co. Texas  [Ancestry.com has the age transcribed as 48]

1870 Census - Red River County, Texas
26 Aug 1870

  1170 1170
  Stanley, James   29 M W Farmer 2000 1000 Tenn 
  Elizabeth        70 F W Keeping House    "
  Adline           31 F W                  "
  A. D.            25 F W                  " [I'm guessing this is Angelina Duff]
  Allen            31 M W                  "
  Duff, Laura      10 F W                  Texas

1880 Census - Red River County, Texas
4 June 1880

  110 155
  Duff, M. A.    W F 35 Wd     Keeping House Texas Tenn Tenn
  Laura          W F 18 S  Dau At Home       Texas Ala  Texas
  Stanley, M. A. W F 37 S  Sis At Home       Tenn  Tenn Tenn