State/Territory: South Australia

Date Name & Boundary Gazetted: 20 July 2018

First Election This Name Was Used At: 1984 federal election

First Election This Boundary Was Used At: 2019 federal election

Name Derivation: Named in honour of Dr Helen Mary Mayo OBE, 1878–1967. Mayo worked in the areas of maternal and child health and welfare in South Australia, was the first woman elected to an Australian University Council in 1914 and co-founded the Mothers' and Babies' Health Association in 1927.

Square Area: 9, 135 Sq Km

Location Description: The Division of Mayo consists of: Alexandrina Council, City of Victor Harbor, District Council of Yankalilla, Kangaroo Island Council, Mount Barker District Council, part of the Adelaide Hills Council, part of the City of Mitcham, and part of the City of Onkaparinga.

Demographic Rating: Rural – outside capital cities and without majority of enrolment in major provincial cities.