Given name from birth search of daughter on New Zealand BDM website in February 2019:
1916/19538. George, Helen Harriett. Mother: Agnes. Father: Archie

Maiden name, year and country of marriage from search on New Zealand BDM website in February 2019:
1915/6506. Bride: Agnes Smith. Groom: Archie George

Full date of marriage of 11 November 1915 from further searching in February 2019 on BDM Search by incrementally changing the date range for the marriage.