First given name from birth search of daughter on the New Zealand BDM website in December 2023:
Registered 1908/1862. Newsham, Dolly Zena. Mother: Jane. Father: George

Maiden name, year and place of birth, date and place of marriage, date and place of death, found in December 2023 from:
https://winsomegriffin.com/Newsham/ZenaNewsham.html

Photo courtesy of Winsome Griffin’s websites as per authorisation in email dated 25 December 2023 and added here in January 2024.

Winsome Griffin's (nee Guilford) husband, Neville Griffin, is related to the Bayly family. Neville's maternal grandfather, George Newsham, had a sister, Emma Eliza Newsham. She married Albert George Bayly. Albert had a sister, Emma Bayly, and she was the mother of Elinor May Gower, the maternal step-grandmother of Brian of nzolivers.

And, Winsome Griffin (nee Guilford) is the granddaughter of Francis Charles Guilford (1876-1961) whose second wife, Laura Elizabeth Wood, was first married to Charles Ernest Oliver, grandson of James (1805-1886) and Ruth (nee Batten) Oliver.