The Southern Division was a New Zealand parliamentary electorate in the Auckland Province from 1853 to 1860. It was a large two-member electorate south of Auckland city, extending to the southern boundary of the province and encompassing the Waikato, Coromandel, Bay of Plenty and East Cape.
Haultain contested a by-election on 8 May 1858[1] and was elected. He represented the electorate until the end of the term in 1860, when he was defeated for the Raglan electorate.
| Election | Winners | |||
| 1853 election | John Gray | Charles John Taylor | ||
| 1855 election | Robert Graham | |||
| 1858 by-election | Theodore Haultain | |||