Henry Savage died 1968 - Registration Number: 27094, age 82. That would have him born about 1886. (Not 1894 as recorded in your tree)
Henry Savage burial:
https://www.dunedin.govt.nz/services/cemeteries/cemeteries-search?recordid=32592&type=Burial
Henrietta Helen Savage burial:
https://www.dunedin.govt.nz/services/cemeteries/cemeteries-search?recordid=32984&type=Burial
1891 Scottish Census:
Camlachie, Lanarkshire, Scotland:
16 Cambellfield Street
Henry Savage Father Male 26
Elizabeth Savage Mother Female 24
Henry Savage Male 5 Lanarkshire
William Savage Brother Male 2 Lanarkshire
Source: "Scotland Census, 1891," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:KS6Z-SFD : 23 July 2019), Henry Savage in household of Henry Savage, Camlachie, Lanarkshire, Scotland; from "1891 England, Scotland & Wales census," database, findmypast (http://www.findmypast.com : 2012); citing p. 3, GRO6/275, The National Archives, Kew, Surrey; FHL microfilm 220,265.
There was Henry Savage married Elizabeth McClelland in 1884
644/3 278
Dennistoun
Source: https://www.scotlandspeople.gov.uk/
Its quite possible that Elizabeth McCelland was actually McLearn! Things were written down as they sounded in those days.
Out of interest there is a Henry McLern Savage on the New Zealand register - he died in 1996, Registration 44770. His date of birth was recorded as 2 September 1917.
Source: https://www.bdmhistoricalrecords.dia.govt.nz/
Henry McLern Savage burial:
https://heritage.christchurchcitylibraries.com/Cemeteries/interment.asp?surname=savage&firstname=&year1=&year2=&page=4
