1870 census of Floyd Co., Virginia, Indian Valley and Burks Fork precincts, enumerated 2 Sep, lists on p. 42 as family #293/277:
Gardner, Alexander, 48, farmer; Delpha, 31; Isaac, 20; Enoch, 18; Floyd, 15; Anderson, 13; James B., 11; Ally J., 7; Alexander M., 5; Mary E., 4; Thomas J., 3; Martha J., 20. All born in Virginia.
1890 census of Floyd Co., VA
14 lists in Burk’s Fork District:
Gardner, Alexander, 68; Delphi, 51; Albert M., 20; Walter M., 17; Joseph L., 15; George E., 13; Charles F., 11; Penny J., 9; Lena F., 7.