The election was held on 20 March 1909.
The seat of Northern Maori became vacant following the death of the sitting member Hone Heke Ngapua on 9 February.
The by-election was won by Te Rangi Hiroa.
Both Hone Heke Ngapua and Te Rangi Hiroa were Liberal Party MPs, and part of the Liberal Government.
This New Zealand election-related article is a stub.