Hi Mark and Liz,
The following notice appeared the listed editions of the Wellington Independent:
IF WILLIAM STERLAND, formerly of Nottingham, England, will apply to G. W. Woodroofe, Masterton, Wairarapa, New Zealand he may hear of something to his advantage or if any person knows of his death by giving this information, such as can be relied upon, will be compensated.
http://paperspast.natlib.govt.nz/cgi-bin/paperspastWellington Independent, Volume XXIV, Issue 2933, 25 December 1869, Page 5
Wellington Independent, Volume XXIV, Issue 2934, 28 December 1869, Page 5
Wellington Independent, Volume XXIV, Issue 2936, 1 January 1870, Page 1
Wellington Independent, Volume XXIV, Issue 2937, 4 January 1870, Page 1
Wellington Independent, Volume XXIV, Issue 2938, 6 January 1870, Page 1
Wellington Independent, Volume XXIV, Issue 2939, 8 January 1870, Page 1
There are also a couple of other references to "Sterland" that you may like to check out on the above link.
Cheers,
Janet.