Career
In the 2011 general election he lost his seat to Liberal Vannin candidate Kate Beecroft. At the Manx general election, 2006, Malarkey was elected as the Liberal Vannin Party Member of the House of Keys for Douglas South, alongside David Cretney who was elected for the Manx Labour Party. Malarkey was one of only two Liberal Vannin MHKs elected in 2006, the other being Peter Karran, the party Leader.
At the Manx general election, 2011, Malarkey contested Douglas South as an Independent, opposing both Cretney and the official Liberal Vannin Party candidate, Kate Beecroft.
Malarkey lost to both of them, however, and was not elected. Following Cretney"s election to the Legislative Council in mid-2015, Malarkey contested the ensuing by-election in Douglas South, winning as an Independent.