[2] He was educated at Williamstown State School and Longerenong Agricultural College, but subsequently moved to Ongerup, in the Great Southern region of Western Australia, to take up farming, and married Ada Mary Jackel in 1930.

[5] Running as an unendorsed Country Party candidate, Lemmon unsuccessfully contested the seat of Katanning in the Legislative Assembly at both a 1935 by-election and the 1936 state election.

[6] Lemmon was defeated by Arthur Watts, a future deputy premier, on both occasions, at the by-election losing by only 43 votes after five rounds of counting.

[8] He chose William Hudson as Commissioner of the Snowy Mountains Hydro-electric Authority and refused to follow the normal procedure of putting forward three alternatives to cabinet.

[10] At the 1954 election he won the New South Wales seat of St George from Bill Graham and there was press speculation that he would run for Labor leadership.