David has only aged eight years in the last decade! Now, he is 59, whereas in 1870, he was 51!
1880 Census of Winston County, Alabama1880; Census Place: , Winston, Alabama; Roll: T9_35; Family History Film: 1254035; Page: 544.4000; Enumeration District: 288;
David Harper, age 59 (1821), born in Georgia, his father born in Virginia; his mother born in Georgia
Mary, (Martha?), age 62, born in Georgia; her father born in SC; her mother born in Georgia.