The Thoreau family is listed in the 1850 census by W. W. Wilde: “John Thoreau, 63, M[ale]; Cynthia D. 63, F[emale]; Henry D., 33, M; Sophia E., 31, F; Maria Thoreau, 53, F; Margaret Doland, 18, F; Catherine Rioden, 13, F.” (Thoreau Research Newsletter, vol 1 no. 2).