Parents look like Elisha and Elizabeth Curtis.
United States Census, 1870
Citing this Record
"United States Census, 1870," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MNHY-L2X : 12 April 2016), Mary Curtis in household of Elisha Curtis, Arkansas, United States; citing p. 3, family 18, NARA microfilm publication M593 (Washington D.C.: National Archives and Records Administration, n.d.); FHL microfilm 545,546.
View the original document. The original may contain more information than was indexed.
Marriage of Mary's parents:
Mary's parents, siblings and others:
Mary Jane was the wife of Daniel Stephens. They had a daughter named Myrtle Louisa born on 1888.
Daniel and Mary Jane had a large family according to the 1910 US Census:
(Daughter Myrtle L is 12 y/o. So this is Mary Jane's family for sure)
According to the Census, Mary Jane was born in AR, her father was born in NC and her mother in AR.
There is a great chance that Mary Jane's parents were Bastin and Louisa Curtis listed in the following 1870 US Census record. Bastin was born in NC and Louisa in AR. Their daughter Mary was 6 y/o:
I hope de above information helps in your search.