The city surveyor submitted an application from Estate Development (NI) Ltd., for approval to the naming of new streets on their property situated at Marmont, Holywood Rd as Marmont Crescent, Drive and Park. On the recommendation of the city surveyor, the committee approved of these names. (14th January 1958).
Marmont Crescent, Drive and Park all are called after Marmont House which was part of an estate/farm which had belonged to a merchant and distiller William Mitchell. According to the Mitchell School website which now owns the house, Mitchell acquired the house and estate in 1886. The 1890 BPUD lists "William Mitchell, Marmont".