Given name from birth search of son on New Zealand BDM website in July 2023:
1893/10427. Jury, John William. Mother: Helena. Father: Samuel White

Maiden name, year and country of marriage from search on New Zealand BDM website in July 2023:
1892/1121. Bride: Helena Duffin. Groom: Samuel White Jury

Full date of marriage of 17 April 1892 from further searching in July 2023 on BDM Search by incrementally changing the date range for the marriage.

Year and country of birth, name of parents who are already in our nzolivers Family Tree, from search on New Zealand BDM website in July 2023:
1868/9502. Duffin, Helena. Mother: Julia. Father: John

Full date of birth of 5 June 1868 from further searching in July 2023 on BDM Search by incrementally changing the date range for the birth.