Thomas William Hislop Independent Thomas William Hislop Independent The 1889 Oamaru by-election was a by-election held on 30 September 1889 in the Oamaru electorate during the 10th New Zealand Parliament.

The by-election was triggered by the resignation of the incumbent MP Thomas William Hislop.

The resignation was caused by the Ward-Hislop affair where Hislop was reproached by a Legislative Council committee for his manner of correspondence with a District Judge Ward.

The report judged that he was using his Ministerial position to aid the business affairs of his personal friends.

[3] Dunn, the Liberal Party candidate, claimed to be "...one having no political experience at all.