First given name from birth search for son on New Zealand BDM website in May 2021:
1884/2173. Smith, Walter George Thomas. Mother: Ellen. Father: William John

Maiden name, year and country of marriage from search on New Zealand BDM website in May 2021:
1877/1676. Bride: Ellen Waterson. Groom: William John Smith

Full date of marriage of 13 September 1877 from further searching in May 2021 on BDM Search by incrementally changing the date range for the marriage.

Year and country of birth from search on New Zealand BDM website in May 2021:
1857/95. Waterson, Ellen. Mother: Rosetta. Father: John

Full date of birth of 4 June 1857 from further searching in May 2021 on BDM Search by incrementally changing the date range for the birth.

Year and country of death, estimated year of birth matches, from death search on New Zealand BDM website in May 2021:
1913/3399. Smith, Ellen, died age 55Y [Therefore born circa 1858]

Full date of death of 11 May 1913 from further searching in May 2021 on BDM Search by incrementally changing the date range for the death.