Named afterSir Edmund R Fremantle (d. 1929 aged 93), nephew of Sir Charles Fremantle, founder of the city with whom he served as Flag Lieutenant 1858–1861 (Ewers). See alsoMarmion RoadDescriptionEdmund Street follows Swanbourne Street, the name of the Family Seat of the Fremantles. Street gazetted 25/5/1922, previously known as Marmion Road (Lands and Surveys Department). Locality boundary amendment between White Gum Valley and Fremantle to road centreline 04.06.1998 .