[2] Maisey began his education at Dowerin State School and later boarded at Wesley College, Perth.

[2] He was an advocate for increased sales of Australian wheat to Asian markets and in 1961 participated in an AWB trade mission to China which secured a significant contract.

[3] In October 1963, Maisey won Country Party preselection for the House of Representatives seat of Moore.

[2] He retained Moore for the Country Party at the 1963 federal election, following the retirement of the incumbent MP Hugh Leslie.

[5] His views brought him into conflict with protectionist Country Party leader John McEwen in 1969, who he publicly criticised over tariff policies and support of wheat quotas.