Surname of “Iredale” from Mike Warman in an email dated 14 November 2023.

Given name of “John”, year and country of marriage from search on New Zealand BDM website in November 2023:
1899/4443. Bride: Edith Flora Churton. Groom: John Iredale

Full date of marriage of 26 November 1899 from further searching in November 2023 on BDM Search by incrementally changing the date range for the marriage.

Is this our John? Shows a date of death from Obituary outline found in newspaper search in November 2023:
Name: Iredale, Longwood Gate
Death Age: 66 [Born circa 1877]
Death Date: 3 March 1943
Obituary Date: 4 March 1943
Obituary Place: Huddersfield, West Yorkshire, England
Newspaper Title: Huddersfield Daily Examiner
Spouse: Edith Iredale
Child: Mavis Mallinson

Confirmation of date of wedding, name and abode of father, assumed place of birth, from Notice of wedding originally found in Papers Past by Mike Warman, an independent researcher, and added here in November 2023:
New Zealand Herald, 27 November 1899
IREDALE - CHURTON. - On November 26, 1899 at St. Paul's Church, Auckland, by the Rev. Canon Nelson, M. A. John, surviving son of John William Iredale, of Greenfield, Yorkshire, to Edith Flora, eldest daughter of W. H. Churton, of Auckland, and granddaughter of the late Rev J. F. Churton*, LL.B., Colonial Chaplain.

Another account of wedding found in Papers Past in November 2023:
New Zealand Herald, 27 November 1899
PERSONAL ITEMS
At St. Paul's Church, Symonds-street, yesterday morning, Mr. J. Iredale was married to Miss Churton, eldest daughter of Mr. W. H. Churton. The ceremony was performed by Canon C. M. Nelson. The bride, who was given away by her father, was attended by Miss Mabel Churton, as bridesmaid, and Mr. Charles Churton acted as best man. Mr. and Mrs. Iredale left during the day for the South by the s.s. Gairloch.

Occupation of John Iredale from another account of wedding found in Papers Past in November 2023:
Observer, 2 December 1889
The Society Sphere
The marriage of Mr J. Iredale, the well-known draper, to Miss Flora Edith
Churton, eldest daughter of Mr. W. H. Churton, was very quietly solemnised on Sunday morning in St Paul's Church, Symond street. Only the contracting couple and a few relatives were present to witness the ceremony, which was performed by Canon C. M. Nelson. The bride was given away by her father, and was attended by Miss Mabel Churton, and Mr Charles Churton acted as best man. Mr and Mr Iredale departed later in the day for the South by the s.s. Gairloch

Advertisement showing John and Edith’s pending departure to England found in Papers Past in November 2023:
Auckland Star, 13 December 1900
WEDNESDAY. DECEMBER 19,
At 11 o'clock.
HOUSEHOLD FURNITURE.
HOUSEHOLD FURNITURE.
CHURTON & CO.
JOHN CHURTON, Auctioneer.
Instructed by Mrs Iredale, who is leaving for England. Will sell her
VALUABLE HOUSEHOLD FURNITURE AND EFFECTS.
Particulars in Saturday's issue.
CHURTON & CO.

John and Edith now in London as per notes found in Papers Past in November 2023:
New Zealand Herald, 20 May 1901
PERSONAL NOTES FROM LONDON
Recent callers at the Agency-General include ... Mr. and Mrs. Iredale. of Auckland...