Mahia electorate was created in 1996 for the first MMP election. It comprised all of the electorate and parts of , , and
electorates.

Mahia only existed as such for one term and was represented by Labour

New Zealand Labour Party

The New Zealand Labour Party is a New Zealand political party. It describes itself as centre-left and socially progressive and has been one of the two primary parties of New Zealand politics since 1935....

 MP Janet Mackey

Janet Mackey

Janet Elsdon Mackey, JP is a New Zealand politician. She is a member of the Labour Party.-Parliamentary career:...

, who had previously represented Gisborne.

Election	Winner
		Janet Mackey Janet Mackey Janet Elsdon Mackey, JP is a New Zealand politician. She is a member of the Labour Party.-Parliamentary career:...

For the the electorate's boundaries were redrawn as , which Janet Mackey contested and won in 1999 and in the until retiring at the .