Here's the revised Canadian member list so far (all entries with their corresponding number in BOLD are new ones added to the list):
ONTARIO (ON)
1. SPARTAN II - Ottawa ON, last login 09/14
2. Xtreme TACTICS 101 - Kingsville ON, last login 09/14
3. Arthraxis - Toronto ON, last login 07/09
4. IceTray - Windsor ON, last login 12/11
5. B1ahh - Toronto/Scarborough ON, last login 02/14
6. SprayNoob - Scarborough ON
7. jerik22 - Orangeville ON, last login 12/08
8. vanalla - Guelph ON
9. Mitch_Kramer - North Bay ON
10. Moz - Toronto ON
11. Hellbringer17 - Toronto ON, last login 10/13
12. my name is unknown - Ottawa ON
13. silentjackdark - Windsor ON, last login 05/12
14. spookyshadow - Ottawa ON, last login 10/09
15. jareyes - Toronto ON, last login 10/13
16. Shane101095 - Niagara Falls ON, last login 08/10
17. akuma - Bowmanville ON
18. mustang2500 - Goderich ON, last login 12/10
19. lord_dalton - Toronto ON, last login 12/13
20. AngelVirusX - Sudbury ON, last login 01/13
21. RedGeneral - Sudbury ON
22. Joshua Pronovost - Belleville ON, last login 01/10
23. LT-GRAVE - London ON, last login 11/13
24. MstrMarine - Toronto ON, last login 03/11
25. PunisherX - Ottawa ON, last login 12/10
26. bboyfresco - ON, last login 05/10
27. DevilFish101 - Ottawa ON, last login 07/14
28. MikyVengeance - Mississauga ON, last login 09/14
29. akirastudio - Ingersol ON, last login 04/10
30. sdhoigt - Ottawa ON, last login 06/11
31. Chuck_D - Hamilton ON, last login 09/14
32. tompkins420 - Kingston ON, last login 12/11
33. wook111 - Toronto ON, last login 04/11
34. BlackOpzPenguin - Toronto ON, last login 10/10
35. misfitjh - Guelph ON, last login 09/14
36. bobbio555 - Ottawa ON, last login 07/11
37. Waterboy - Ottawa ON, last login 08/10
38. thatcanadianguy25 - Burlington ON, last login 01/11
39. wowhaza - Toronto ON, last login 06/11
40. xBeaver Feaver - Thunder Bay ON, last login 02/12
41. wiezel - Waterloo ON, last login 08/14
42. Jonus - Bradford ON, last login 01/14
43. reed89 - Ottawa ON, last login 01/13
44. freshjiive - London ON, last login 10/12
45. Fireforge1979 - Kitchener ON, last login 09/13
46. Anthony Thibault - Niagara Falls ON, last login 09/13
47. CQB - Gravenhurst (Muskoka) ON, last login 12/12
48. Sri-LanKING - Ottawa ON, last login 07/14
49. ExQMiDGeT - Toronto ON, last login 08/14
50. Stixanimated - Toronto ON, last login 08/14
51. Raskulz - London ON, last login 01/14
52. RangedAssassin - Kingston ON, last login 01/14
53. Ted - Toronto ON, last login 07/14
54. Accipiter - Windsor ON, last login 06/14
55. warp - Toronto ON, last login 05/14
56. CrazyJunkHead - Bowmanville ON, last login 09/14
QUEBEC (QC)
57. Khol, last login 12/13
58. Nessy, last login 09/13
59. Beremus, last login 07/12 (over 2 years ago)
60. Meleck - Francois Leclerc, Blainville QC, last login 10/11 (almost 3 years ago)
61. Xav_kitsune - Sherbroke QC, last login 09/14
62. LastSpartan - Boucherville QC, last login 09/11
63. Bleedoff - Terrebonne QC, last login 06/12
64. GarzakAzur - Saint-Augustin de Desmaures QC, last login 09/14
65. Blackshield77 - Charlesbourg QC, last login 06/10
66. RSloan76 - Montréal QC
67. Jean-Philippe - Montréal QC
68. SteelSpartan - Québec QC, last login 05/12
69. El dictator - Montréal QC, last login 07/12
70. PhilzZ - Montréal QC, last login 01/10
71. Emmanuel Létourneau - Montréal QC
72. cplbeaudoin - Montréal QC, last login 10/09
73. MontrealDropShockTrooper - Boucherville QC, last login 05/11
74. fullmetalsam - Québec QC, last login 06/11
75. Riley Oara – Montreal QC, last login 01/09
76. doomday17 – Laval QC, last login 10/11
77. CV_26 – Montmagny QC, last login 08/13
78. Cirkob5477 – Kirkland QC, last login 01/14
79. Zhor’Fughakee – St-Jean QC, last login 04/12
80. Mhaelful – Gatineau QC, last login 04/11
81. Skiitzy –Montreal QC, last login 10/11
82. bacon_boy12 – Montreal QC, last login 07/14
83. db64 – Trois-Rivieres QC, last login 08/14
84. Biggus Dickus – Montreal QC, last login 08/14
NEW BRUNSWICK (NB)
85. Dallis - Cape Tormentine NB, last login 05/14
86. InfiniTTy - Fredericton NB, last login 07/13
87. Outlaw-Tiger - Moncton NB, last login 02/12 (over 2 years ago)
88. TheHow7zer - Moncton NB
89. Ryzzix – Moncton NB, last login 08/12
NOVA SCOTIA (NS)
90. Roadkiller - Halifax NS, last login 11/13
91. Brendan - NS, last login 05/10
PRINCE EDWARD ISLAND (PEI)
92. superman27 - Cavendish PEI, last login 12/12
MANITOBA (MB)
93. Lizander - Winnipeg MB, last login 06/14
94. Theron113, last login 01/14
95. Stevieboy7, last login 07/12 (over 2 years ago)
96. CommanderFluffy - Winnipeg MB, last login 04/14
97. MsCommanderFluffy - Winnipeg MB, last login 08/10
98. Binary Crystal - Winnipeg MB
99. Corpsteve - Winnipeg MB, last login 09/09
100. McKay - Winnipeg MB, last login 04/09
101. Dhrnt - Selkirk MB, last login 02/11
102. Goomerspartan10 – Brandon MB, last login 06/10
103. Spartan-2507 – Winnipeg MB, last login 04/14
SASKATCHEWAN (SK)
104. droodles - Saskatoon SK, last login 07/14
105. CLOTHAR - Saskatoon SK, last login 09/14
106. Sgtpearce – Saskatoon SK, last login 07/14
107. tygo – SK, last login 09/12
108. nosaint – SK, last login 06/14
109. n00bz – Saskatoon SK, last login 07/13
110. Draxon – SK, last login 08/14
111. rabbiddog – Saskatoon SK, last login 01/13
ALBERTA (AB)
112. Altair651, last login 08/14
113. kitnip, last login 08/14
114. Mjjmk - Calgary AB, last login 04/14
115. Master_Chief_13 - Durmheller AB, last login 07/09
116. Setchiel - Edmonton AB, last login 02/12
117. paradoxj - Calgary AB, last login 05/14
118. EliteRouge - Spirit River AB, last login 01/10
119. Quiet N1nja - Spirit River AB
120. Tabularo - Calgary AB, last login 12/12
121. Metalrasputian - Sherwood Park AB, last login 09/10
122. Jedi_Spartan - Banff AB
123. Major Pain - Cremona AB
124. Spartan-113 - Strathmore AB
125. Deathwasp - Calgary AB, last login 08/09
126. bluelotus - Lethbridge AB, last login 01/11
127. Awaredesign - Edmonton AB, last login 12/10
128. ForgedReclaimer - Red Deer AB, last login 02/13
129. Ruusaar Cin - Calgary AB, last login 02/12
130. ponestar - Red Deer AB, last login 10/09
131. kyrativ - Calgary AB, last login 12/09
132. jlhR2 - Edmonton AB, last login 02/13
133. Sidewalker4961 - Calgary AB, last login 11/12
134. Brandon McClain - Cold Lake AB, last login 08/14
135. H1rg0n - Edmonton AB, last login 08/14
136. Ghost147 - Edmonton AB, last login 08/11
137. Jedi Ranger – Banff AB, last login 07/14
138. k_kid4life – Edmonton AB, last login 08/14
139. Lucite – Edmonton AB, last login 05/12
140. Kittamus Prime – Edmonton AB, last login 05/14
141. B1TMAP – Edmonton AB, last login 12/11
142. ROK GMoney – Calgary AB, last login 06/13
143. Hyokenseisou – Calgary AB, last login 08/14
144. LoneHowler – Calgary AB, last login 08/14
145. Flying Spartan – Camrose AB, last login 07/14
146. Slins – Edmonton AB, last login 03/12
147. Happy Seal – Edmonton AB, last login 05/14
148. silverskyhigh – Calgary AB, last login 11/13
149. Spartan 213 – Edmonton AB, last login 08/14
150. aerical – Calgary AB, last login 03/14
BRITISH COLUMBIA (BC)
151. circa604 - Smithers BC, last login 07/11 (over 3 years ago)
152. GeekGuardianDee, last login 09/14
153. LongShot-X - Mission BC, last login 09/14
154. war_veteran117, last login 06/14
155. Andrew Lambright, last login 04/14
156. Sidewalker4961, last login 11/12 (almost 2 years ago)
157. colbs, last login 09/14
158. Darkfire - Victoria BC
159. Boryenko - Surrey BC
160. irouni - Surrey BC
161. Spawnd - Kelowna BC
162. Eled - Kamloops BC, last login 05/12
163. Devious - Vancouver BC, last login 07/12
164. Hey You - Duncan BC, last login 11/09
165. xenovidx – Kelowna BC, last login 12/09
166. Marc Hall – Victoria BC, last login 05/10
167. Noble Eight – Duncan BC, BANNED
168. Liamthedevastator – Victoria BC, last login 01/14
169. ConfusedEcho – Surrey BC, last login 02/13
170. Ubu-036 – Langley BC, last login 03/12
171. borisbrothers – Vancouver BC, last login 10/11
172. Tenebrus – Victoria BC, last login 07/14
173. Frightskuller – Victoria BC
174. SqueekinOrka – Vancouver BC, last login 04/14
175. Spud387 – Surrey BC, last login 11/12
176. -=Carter=- - Vancouver Island BC, last login 07/13
177. UnitingMatrix95 – Vancouver BC, last login 06/14
Nearing 100 already with just that, and there's yet more to be added from Last Spartan's old "Canadian Reg. Roll Call" thread.
Of course, I don't know how many now listed are active or not, but at least it gives a better idea of how many Canadian 405th-ers there are.
EDIT: Just finished updating the full member list. Nearly doubled what I'd first added to it, lol.