Year Book - 1953 - Trainer licensed by the Jockey Club of Kenya - Maj. C. Bumpus

EA Stud Book 1954 - Brood Mares - Thoroughbred - Breeders - Mrs C.S. Bumpus (1935)

Racing - Owner of 'Gay Lad' - 1929 - Winner of the Kenya Grand National 1929, ridden by the owner

Racing - Owner of 'Constance' - 1930 As a jockey won the Uasin Gishu Guineas in 1926 on Charlatan and the Kenya Derby twice on Cambrian in 1925 and Hyperbole in 1929

Rift Valley - Member of the Rift Valley Sports Club - Jan 1929 - Elected - 18 Nov 1924 - C. Bumpus

[How is he related to the other members of the Bumpus family? Is he William 'Sonny' Bumpus, horse trainer?]