Sir William John Polson, KCMG (1875–1960) was a New Zealand

New Zealand

New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

 politician, first as an Independent and then in the National Party

New Zealand National Party

The New Zealand National Party is the largest party in the New Zealand House of Representatives and in November 2008 formed a minority government with support from three minor parties.-Policies:...

. He joined the National Party on its formation in 1936, and "later acted effectively as Holland's

Sidney Holland

Sir Sidney George Holland, GCMG, CH was the 25th Prime Minister of New Zealand from 13 December 1949 to 20 September 1957.-Early life:...

 deputy" (Gustafson).

He represented the electorate of in Parliament from 1928 to 1946, when he retired. He was appointed to the Legislative Council

New Zealand Legislative Council

The Legislative Council of New Zealand was the upper house of the New Zealand Parliament from 1853 until 1951. Unlike the lower house, the New Zealand House of Representatives, the Legislative Council was appointed.-Role:...

, and was knighted (K.C.M.G.) in 1951.

He was born in Wanganui

Wanganui

Whanganui , also spelled Wanganui, is an urban area and district on the west coast of the North Island of New Zealand. It is part of the Manawatu-Wanganui region....

, and educated at Wanganui Collegiate School

Wanganui Collegiate School

Wanganui Collegiate School is an independent, coeducational, day and boarding secondary school in Wanganui, New Zealand. The school is affiliated to the Anglican church.-About:...

. In 1943 he married Mary Grigg

Mary Grigg

Mary Victoria Cracroft Grigg, Lady Polson, MBE was a New Zealand politician of the National Party.She represented the Mid-Canterbury electorate in Parliament from 1942 after the death of her husband Arthur Nattle Grigg who she had married in 1920, and who had held the seat from 1938...

, who had represented the electorate from 1942, after her MP husband Arthur Grigg

Arthur Grigg

Arthur Nattle Grigg was a New Zealand politician of the National Party. He was educated at Christ's College and was a farmer.He represented the electorate of Mid-Canterbury in Parliament from 1938, when he defeated Horace Herring, to 1941...

, then a Major in the NZEF, was killed in Libya in 1941.