Found this snippet about John and Elizabeth Perrin of Kaiapoi, however from your posts you say John and Agnes Perrin so perhaps this is James and Elizabeth.
STAR, ISSUE 7149, 13 JULY 1901. SUDDEN DEATH.
Mrs Perrin, wife of Mr John Perrin and an old identity of Kaiapoi, died suddenly at about nine o'clock yesterday evening. She had eaten a hearty mead at tea-time. An inquest is being held this afternoon. The deceased had been a resident of Kaiapoi for over forty years, and was much respected by, every one. For some years she conducted a nursing home on her own account, and many serious cases have passed through her hands. Her husband', Mr John Perrin, is an old Crimean veteran, and was presented to his Royal Highness the Duke of Cornwall and York at the Hagley Park review on June. 24;
Also another John of Kaiapoi: PERRIN.— STAR, ISSUE 10843, 9 AUGUST 1913. August 9, at Ranfurly Street, Kaiapoi, John, dearly beloved husband of Sarah Ann Perrin; aged eighty-six years".