Given name from birth search of son on New Zealand BDM website in November 2018:
1892/5724. Laurent, Harold George. Mother: Matilda. Father: William James

Second given name, maiden name, year and country of marriage from search on New Zealand BDM website in November 2018:
1887/450. Bride: Matilda Nicolina Wilder. Groom: William James Laurent

Full date of marriage of 5 September 1887 from further searching in November 2018 on BDM Search by incrementally changing the date range for the marriage.