Look at these and see if they could be her. The first link is to what seems to be her marriage record to be John McCloud in Logan county in 1890, her parents are listed as William and Caroline Mullins. Based on her age, this appears to be her with her family in the 1880 census.
1880 United States Federal Census about Wm. Mullins Name: Wm. Mullins Home in 1880: Chapmansville, Logan, West Virginia Age: 32 Estimated birth year: abt 1848 Birthplace: West Virginia Relation to Head of Household: Self (Head) Spouse's name: Caroline Father's birthplace: West Virginia Mother's birthplace: West Virginia Neighbors: View others on page Occupation: Farmer Marital Status: Married Race: White Gender: Male Household Members: Name Age Wm. Mullins 32 Caroline Mullins 31 John H. Mullins 10 William Mullins 8 Francis M. Mullins 7 (is this your Mary Frances?) Malisa Mullins 5 Robt. Mullins 2 Rosanna Mullins 2M