On the birth certificate of his children, is he still listed as a whitesmith?
in 1861:
RG9/674 57/17
17 Winchester Road, St. Mary, Southampton
George Drake Saunders, 43, whitesmith, b. Aylesbear, Devon
Sarah, wife, 56, b. Uffers?? Devon
Phebe, dau, 16, teacher of infants, b. Aylesbear, Devon
George, son, 14, whitesmith, b. Aylesbear, Devon.
This family, minus George, are still in Southampton in 1871. In 1881, George D. Sanders, widowed, and daughter Phebe are in Kentisbeare.
freebmd shows him as George Drake Sanders - married in 1844 to Sarah Holland, died in 1900.