Jackson, briefly a banker, was interested in agriculture and became a rancher when he journeyed west and bought the Alisal ranch in the Santa Ynez Valley at auction in 1943.
For a period of time the ranch was known for attracting celebrity visitors; Clark Gable married Lady Sylvia Ashley there in 1949.
[1] Jackson was a co-founder of the Santa Barbara Riding and Hunt Club, in the suburb of Hope Ranch, alongside Amy DuPont, Charles E. Jenkins, Harold S. Chase, Dwight Murphy, C.K.G.
Billings, John Mitchell, George Owen Knapp, Peter Cooper Bryce, Col. G. Watson French and F. W. Leadbetter in the 1920s.
[note 1][6][7][8][9][10] They resided in Rancho San Carlos in Montecito, California, a 237-acre (96 ha) estate near Santa Barbara.