Three given names from birth search of son on the New Zealand BDM website in August 2025:
1926/14938. Black, Alexander William. Mother: Eva Rosina Alberta. Father: Alexander

Maiden name of “Ward”, year and country of marriage from search on New Zealand BDM website in August 2025:
1925/359. Bride: Eva Rosina Alberta Ward. Groom: Alexander Black

Full date of marriage of 18 February 1925 from further searching in August 2025 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 August 2025:
1904/3244. Ward, Eva Rosina Alberta. Mother: Annie. Father: Albert Edward William

Full date of birth of 17 April 1904 from further searching in August 2025 on BDM Search by incrementally changing the date range for the birth.

Year and country of death, date of birth confirmed, from death search on New Zealand BDM website in August 2025:
1980/35737. Black, Eva Rosina Alberta. Date of birth: 17 April 1904

Full date of death of 1 August 1980 from further searching in August 2025 on BDM Search by incrementally changing the date range for the death.