Given name of “Helen” from birth search of daughter on New Zealand BDM website in January 2023:
1889/9883. Fergusson, Emily. Mother: Helen. Father: NR

Name of husband, year and country of marriage from search on New Zealand BDM website in January 2023:
1881/1914. Bride: Helen O'Grady. Groom: John Fergusson

Full date of marriage of 4 August 1881 from further searching in January 2023 on BDM Search by incrementally changing the date range for the marriage.