Mount Mary is a small town on the Thiele Highway between Eudunda and Morgan in South Australia. It was also served by the Morgan railway line from 1878 until 1969 and is named for the Mount Mary railway station on that line.
Population: 36 (SAL 2021)
Established: 24 January 1884 (town) · 27 March 2003 (locality)
Elevation: 95 m (312 ft)
Location: 24 km (15 mi) SW of Morgan · 35 km (22 mi) NE of Eudunda