Hi, Just a quick thought - Have you searched for Obituaries - for all deceased . They may show names and locations of other family members at the time.
Online White pages Directory MyTelus.com
Provincial Archive of BC Vital Events Index - online
http://search.bcarchives.gov.bc.ca/sn-420D8D5/gbsearch/Birth...If you find names of interest - post to the list - there may be someone who can assist -or
Filmed Registrations can be viewed at NO COST - at the Provincial Archive in Victoria - Some Public and University Libraries in the Province - also at LDS Family History Centres .