When was the Australian suburb founded in the district named after Thomas Elder founded on the banks of the Strut River?
Electoral district of Elder:  It is named after nineteenth-century businessman and philanthropist Thomas Elder. Electoral district of Elder:  Elder is a 15.7 km² urban electorate in Adelaide's south-west, taking in the suburbs of Ascot Park, Clovelly Park, Marion, Melrose Park, Mitchell Park and Park Holme, and parts of Colonel Light Gardens, Daw Park, Edwardstown, Oaklands Park, Plympton Park, South Plympton and Warradale. Marion, South Australia: Marion is a suburb in the City of Marion in Adelaide around 10 km south-west of the CBD. Marion, South Australia:  Founded as a rural village in 1838 on the banks of the Sturt River, Marion was found to have rich soil and the population expanded rapidly.
1838