Name from:
https://www.findagrave.com/memorial/196999075
Sydney George Smith… was a New Zealand politician… born in New Plymouth in 1879. His parents were Edward Metcalf Smith and Mary Ann Golding.

Year and place of birth, year and place of marriage from:
http://www.bint-family.com/catherine.htm
Sydney George Smith was born at New Plymouth in 1879. He was the son of Warwickshire born Edward Metcalf Smith (bn 1839) and Mary Ann Golding (1846) an army officer's daughter from Chatham, Kent, who had married at Auckland in 1861.

Result from marriage search on New Zealand BDM website in May 2020:
1861/2086. Bride: Mary Ann Golding. Groom: Edward Metcalf Smith

Full date of marriage of 24 December 1861 from further searching in May 2020 on BDM Search by incrementally changing the date range for the marriage.

Year and country of death, from death search on New Zealand BDM website in May 2020:
1923/8287. Smith, Mary Ann, died age 77Y

Full date of death of 31 Aug 1923 from further searching in May 2020 on BDM Search by incrementally changing the date range for the death.