Kate Wyllie (early 1840s – 4 February 1913) was a New Zealand tribal leader.
She was born in Tutoko, East Coast, New Zealand.
She married James Ralston Wyllie on 14 August 1854.
After James Wyllie died she later remarried Michael Joseph Gannon (9 June 1881; known as Michael Gannon), a licensed interpreter.
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