This is a summary of the electoral history of Adam Hamilton, Leader of the National Party (1936–40), and Member of Parliament for (1919–22, 1925-1946).
Parliamentary elections 1919 election
1922 election
1925 election
1928 election
1931 election
1935 election
1938 election
1943 election
Leadership elections 1936 leadership election NameVotesPercentageAdam Hamilton13 52.00%Charles Wilkinson1248.00%
1940 leadership election NameVotesPercentageSidney Holland13 61.90%Adam Hamilton838.10%
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