You might be interested to know that Elizabeth McLachlan McLUCKIE had an aunt, the sister of her mother, already living in NZ since 1864.
The name of Elizabeth McLachlan McLUCKIE's mother was Ellen/Helen GUNN (not Elizabeth).
Helen GUNN was born on 08 Jan 1857 in Wick, Caithness and died on 12 Jun 1902 in Newington, Edinburgh, Scotland. Elizabeth McLUCKIE was the informant on her mother's death certificate.
The name of Elizabeth McLUCKIE's aunt was Jemima GUNN (1840-1917), she is our ancestor.
Jemima & Helen were the daughters of Benjamin GUNN (born 1806 Dunbeath, Latheron, died 5. Aug 1888 in Wick) & Elizabeth McLACHLAN (born 1813 Ramscraigs, Latheron, died 28. Jan 1871 in Wick)
Elizabeth McLachlan McLUCKIE had two younger siblings who died as infants/toddlers
Donald Gunn McLUCKIE, born ~ 1886 in Edinburgh, died 1889 in Edinburgh and
Helen McLUCKIE, born 1888 in Edinburgh, died 1891 in St. Giles, Edinburgh
There was also an older half-sister whose name was Maggie Jane STEVEN.
Maggie was born on 26 Apr 1879 in Staxigoe, Wick, Caithness and was the daughter of William STEVEN, butcher in Wick and Helen GUNN. William STEVEN died in 1881 in Wick, I haven't found a marriage.
In the 1881 Census 1 year old Maggie Jane STEVEN is living in the household of her grandfather Benjamin GUNNin Wick
1891: 11 year old Maggie Steven is living with her aunt Margaret GUNN, “grocery shop woman” and her uncle James Gunn in Wick.