William Postlethwaite JP DL (17 September 1829 – 9 April 1908) was an English-born Member of Parliament representing the Canterbury region of New Zealand.
[1] He succeeded to his uncle's Oaks estate in Millom, Cumberland, but in an unusual move for landed gentry, moved to New Zealand in 1878.
[2] Postlethwaite represented the Geraldine electorate from 1881 to 1884, when he retired.
[4] He then moved to California in 1891, living as a farmer in Lindsay,[5] but returned to England, where he died in 1908.
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