I have Robert Been on 1880 Sebastian Arkansas Census. Age 26 born Missouri, parents born Tennessee; wife Rebecca born Missouri as were her parents. CHildren Oscar 8, John E. R. 6, Edwin C. 4, and Mary C. 2. This may be Robert Marion who married Rebecca Lee Page.
Next door is Eli McCoy age 43, born Tennessee with wife Mary Jane Been age 36, born Missouri, parents born Tennessee. Children William A 10, James E 9, John C. 8, Louela F. 6, George W. 5, Ella or Lilia C 4, and Jenora 10 months.