His parents were Louis le Bussy (1869–1957) and Maria Anna Julie Henriette Nina Dollard (1873–1938).
[3] Le Bussy was head administrator of the Inongo Territory when he wrote a report on 27 September 1927 about the Ntombankole, a sub-tribe of the Ntomba people.
[3] Le Bussy was once more assigned to Lake Leopold II District for his third term, starting in December 1931.
[3] At the start of World War II (1939–1945) the colonial government decided to draw up a five-year plan for the development of Léopoldville.
On 24 September 1941 Le Bussy ordered that funds for construction of a bridge were to be diverted to coating the boulevard in vibrated concrete.
[6] In January 1944 le Bussy and Vice Governor General Paul Ermens inaugurated the new native market in Leopoldville.
Due to the wartime occupation of Belgium by Germany, his leave was in Astrida, Rwanda, and lasted only from February to April 1943.
[3] Le Bussy returned after leave in March 1952, and in July 1952 was promoted to provincial governor and placed in charge of Kasai Province.