Given names from birth search of daughter on New Zealand BDM website in January 2019:
1926/1029. Meurant, May Cora. Mother: Amelia Hellena. Father: Frederick Royston

Maiden name, year and country of marriage from search on New Zealand BDM website in January 2019:
1896/84. Bride: Emma Amelia Shaw. Groom: Frederick Roysden Meurant
Full date of marriage of 7 October 1896 from further searching in January 2019 on BDM Search by incrementally changing the date range for the marriage.

NOTE:
Brian of nzolivers not sure if we have the correct date or person of marriage:
Brian notes different given second given name for Amelia and wonders if this is the same person? Here is the result for birth search, in January 2019, of children of Frederick and Amelia. Brian notes the 12-year gap between the mother called “Emma Amelia” and “Helena Amelia”:
1897/16304. Meurant, Frederick Arthur. Mother: Emma Amelia. Father: Frederick Roysden
1899/16524. Meurant, Albert Edward. Mother: Emma Amelia. Father: Frederick Roysten
1901/10884. Meurant, Ivy Winifred. Mother: Emma Amelia. Father: Frederick Roysdon
1913/14326. Meurant, Nancy Grace. Mother: Helena Amelia. Father: Frederick Royston
1917/14751. Meurant, Annie. Mother: Amelia Helena. Father: Fredrick Royston
1926/1029. Meurant, May Cora. Mother: Amelia Hellena. Father: Frederick Royston
1926/1030. Meurant, Vera. Mother: Amelia Hellena. Father: Frederick Royston

Year and country of death, from death search on New Zealand BDM website in January 2019:
1958/26364. Meurant, Amelia Helena, died age 77Y [Therefore born circa 1881]

Full date of death of 30 May 1958 from further searching in January 2019 on BDM Search by incrementally changing the date range for the death.

Brian of nzolivers notes from research file48 in January 2019 that Frederick Royston Meurant was married twice:
to Emma Amelia SHAW, died in 1903 at the age of 24
to Amelia Hellena BURY, In 1909 in New Zealand

Therefore, maiden name, full date and place of birth, place of death, year and country of marriage, from research file48 in January 2019.

Country of marriage from search on New Zealand BDM website in January 2019:
1909/608. Bride: Amelia Hellena Bury. Groom: Frederick Royston Murant

Full date of marriage of 19 March 1909 from further searching in January 2019 on BDM Search by incrementally changing the date range for the marriage.
Waikumete Cemetery Protestant Lawn A Row 5, Plot 23:
In loving memory of FREDERICK ROYSTON MEURANT passed away June 30 1955
And AMELIA HELLENA MEURANT passed away May 29 1958
Re-united