^Ottenheimer served from 1967 to 1969 following Murphy's loss of his seat in the 1966 election.
^Acting for Progressive Conservative Party leader Frank Moores who was elected party leader but did not gain a seat in the House of Assembly until 1971.
^Rowe defeated Roberts for the Liberal leadership in October 1977 and entered the House via a by-election in December. Stephen Neary was Leader of the Opposition in the interim. St. John's Evening Telegram, November 25, 1977.
^Neary became Opposition Leader after Liberal leader Sterling lost his seat in the 1982 general election. He subsequently became interim party leader as well.
^Simmons was not party leader. He was Opposition Leader between the time that Leo Barry was deposed as Liberal leader and new leader Clyde Wells' acquisition of a seat via a by-election.