Milson Combined Church is part of three denominations: Anglican, Methodist and Presbyterian

The Anglican Diocese of Wellington 
http://wn.anglican.org.nz
The Methodist Church of New Zealand, 
Te Haahi Weteriana o Aotearoa
http://www.methodist.org.nz
The Presbyterian Church of Aotearoa New Zealand
https://www.presbyterian.org.nz/about-us
You might enjoy this video of Malcolm Gordon's song
​'Beneath the Southern Cross', which expresses something of the history, faith and cultural diversity of the Presbyterian Church.
Picture