Name of “William Jackson”, arrived as a single man from England in 1862, married in Nelson in 1871, from David Steven in an email dated 2 June 2019. David is researching the family of ‘Basil George Swiftsure Jackson’ who married Margaret Olwyn Oliver, great granddaughter of Charles Oliver b1843.

Result from marriage search on New Zealand BDM website in June 2019:
1871/8769. Bride: Bridget Mary Halpin. Groom: William Jackson

Full date of marriage of 17 July 1871 from further searching in June 2019 on BDM Search by incrementally changing the date range for the marriage.

Brian of nzolivers could not find any reference to son of William and Bridget, “Percy George Jackson” whose son, Basil George Swiftsure Jackson, married Margaret Olwyn Oliver, great granddaughter of Charles Oliver b1843.
However, these children of William and Bridget were found from a birth search on New Zealand BDM website in June 2019:
1878/16929. Jackson, Ashley William. Mother: Bridget Mary. Father: William
1881/16830. Jackson, Frederick John. Mother: Bridget Mary. Father: William
1882/10363. Jackson, Leonard Cecil. Mother: Bridget Mary. Father: William
1887/15074. Jackson, Alda Estella. Mother: Bridget Mary. Father: William
1889/18990. Jackson, Claude Bernard. Mother: Bridget Mary. Father: William