First two given names from the New Zealand Electoral Roll - Waitakere Supplementary Roll 1978, found in July 2025:
Cochrane, Janene Barbara, 14 Dallow Place, Glendene, Bnk Ftor
Cochrane, David John, 14 Dallow Place, Glendene, Carpenter

New Zealand Electoral Roll - Waitakere Composite Roll 1981, found in July 2025:
Cochrane, Janene Barbara, 73 Lagoon Way, West Harbour, Home Exctve
Cochrane, David John, 73 Lagoon Way, West Harbour, Carpenter

New Zealand Electoral Roll - Waitakere Main Roll 1998, found in July 2025:
Cochrane, Janene Barbara, 14 Dallow Place, Henderson Ak 8, Bnk Offcr
Cochrane, David John, 14 Dallow Place, Henderson Ak 8, Carpenter