First two given names from birth search of daughter on New Zealand BDM website in November 2018:
1889/14800. Eaton, Alice Gladys. Mother: Alice Maud. Father: Samuel Pearce

Maiden name, year and country of marriage from search on New Zealand BDM website in November 2018:
1887/3611. Bride: Alice Maud Adams. Groom: Samuel Pearce Eaton

Full date of marriage of 28 May 1887 from further searching in November 2018 on BDM Search by incrementally changing the date range for the marriage.