The "Sioux" is more likely "The Soo" Sault St Marie " a much larger city as opposed to Sioux Lookout. A popular "vacation spot" for workers in the north. Since he was a WW1 vet you may find him though the Canadian Legion. http://www.legion.ca/asp/docs/home/home_e.asp His WW1 Attestation papers: http://www.collectionscanada.ca/archivianet/cef/001042-100.01-e.html http://data4.collectionscanada.ca/netacgi/nph-brs1=+McQuarrie&s2=Charles+Arthur+&s3=&Sect4=AND&l=20&Sect1=IMAGE&Sect2=THESOFF&Sect5=CEF6PEN&Sect6=HITOFF&d=CEF6&p=1&u=http://www.collectionscanada.ca/archivianet/cef/001042-100.01-e.html&r=1&f=G http://data2.archives.ca/cef/gpc012/545768a.gif http://data2.archives.ca/cef/gpc012/545768b.gif http://www.collectionscanada.ca/genealogy/022-909.006-e.html Nelson