There was a James HARDIE who died in NZ on 29 June 1912, though the age given is 68yrs, however this information is only as reliable as the person supplying it.
1912/1533 Hardie James 68Y
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That James HARDIE is buried at Karori Cemetery in Wellington. This is a link to his burial entry:http://www.wellington.govt.nz/services/cemeteries/search/det...
It gives his occupation as "Valuer". The inscription on his headstone reads:
STTMO James HARDIE b Simpirn, Berwickshire,
Scotland 26 Oct 1842 d Wellington 29 Jun 1912. Also
Jessie bw of the above b Strathhaven, Scotland 22 Dec
1849 d at Karori 7 May 1931.
(Sourced from NZSG Cemetery Records collection)
There is a NZ marriage for a James HARDIE to a Jessie WILSON:
1870/8580 Jessie Wilson James Hardie
The other important website for NZ Research is PapersPast which has historic NZ papers online and searchable (for FREE!).http://paperspast.natlib.govt.nz/cgi-bin/paperspast
This is his death notice:http://paperspast.natlib.govt.nz/cgi-bin/paperspast?a=d&...
The death notice suggests they were living in Dunedin prior to moving to Wellington.
On BDM I have found 7 possible children for this couple:
1880/7093 Hardie Robert James Scott /Jessie /James
1885/8612 Hardie Anges Wight /Jessie /James
1877/10519 Hardie Jessie Wilson /Jessie /James
1886/13268 Hardie Vallance Cochrane /Jessie /James
1883/9108 Hardie Alexander St Ninian /Jessie /James
1872/35154 Hardie Catherine Jane /Jessie /James
1874/22333 Hardie Isabel Josephine /Jessie /James