1910 Census, Sheridan Dist., Calhoun Co., WV (April 20, 1910)
Cooper, Zanes O.., head, 27, m. 5 yrs., b. WV, parents b. WV, farmer, general farm
Effie M., wife, 26, m. 5 yrs., 3 children/3 survive, b. WV, parents b. WV
Flora B., dau., 4, b. WV
Loura T.., son, 3, b. WV
William O., son, 4 mon., b. WV
Bell, Priscilla M., mother-in-law, 42, m. twice, m. 6 yrs.., 4 children, 3 survive, b. WV, parents b. WV
Burrows, Clifford, brother-in-law, 17, b. WV, parents b. WV, farm laborer, home farm

1920 Census, Sheridan Dist., Calhoun Co., WV, Feb. 11
Cooper, Zanas O., head, 39, b. WV, parents b. WV, farmer, general farm
Maud, wife, 36, b. WV, parents b. WV
Flora, dau., 14, b. WV
Lora, son, 12, b. WV, farm laborer, home farm
Willie, son, 9, b. WV
Wilbur, son, 4y 4m., b. WV
Mary, dau., 2y 2m, b. WV
Sharp, Irma, cousin, 16, b. WV, parents b. WV
Susan, lodger, 73, widowed, b. WV, parents b. WV

1930 Census, Elizabeth, Wirt Co., WV, April 8; on Summers Street
Cooper, Zanas O., head, 48, m. at 24, b. WV, parents b. WV, laborer, oil field
Maud, wife, 46, m. at 21, b. WV, parents b. WV
Willie O., son, 20, b. WV
Wilber M., son, 14, b. WV
Mary C., dau., 12, b. WV
Jessie, son, 9, b. WV
Evart A., son, 7, b. WV
Emma D., dau., 5, b. WV