[1] Tasman District was established as part of the 1989 local government reforms.

[3] After three terms by Marshall, John Hurley was voted in as the second mayor in 1998.

[4][5] The 2010 local elections were contested by three candidates, and Kempthorne was returned with an absolute majority.

[6] The 2013 local elections were contested by five candidates, and Kempthorne had a slim majority over sitting councillor Kit Maling.

[7] After four terms by Kempthorne, Tim King was voted in as the fourth mayor in 2019.