M1 = M037	
M2 = M038	
M3 = M035	
M4 = M036	
M5 = M033	
M6 = M034
M7 = M031	
M8 = M032	
M9 = M029	
M10 = M030	
BULKHEAD
M11 = STORAGE
	M12 = STORAGE	
M13 = NONE	
M14 = M028	
M15 = M027	
M16 = M026
M17 = M025	
M18 = STORAGE	
M19 = STORAGE	
M20 = M024	
M21 = M023	
M22 = M022 (The only number that stayed the same!)
M23 = M021	
M24 = STORAGE	
M25 = STORAGE	
M26 + M30 = M018	
M27 + M31 = M017	
M28 = M020
M29 = M019	
M32 = M012	
M33 = Offices	
M34 = M014
M35 = M013	
M36 = STORAGE	
M37 = STORAGE	
M38 = M012	
M39 = M011	
BULKHEAD
Ladies' and gents' restrooms forward of old M32 and M33 is now The Lusitania Room.
M40 = M010	
M41 = M009	
M42 = M008	
M43 = M007	
M44 = M006	
M45 + M47= M005
M46 + M50 = M006	
M48 + M52 = M002	
M49 + M53 = M001	
M51 = M003
BULKHEAD
OLD CABIN NUMBER = NEW CABIN NUMBER, (SUITE NAME TODAY)
M55, M57 = M101 (Part of EISENHOWER SUITE)
M54, M56 = M102 (Part of WINDSOR SUITE)
M59, M61, M63 = M103, M105 (Part of EISENHOWER SUITE)
M58, M60, M62 = M104, M106 (Part of WINDSOR SUITE)
M65, M67, M69 = M107, M109 (QUEEN MARY SUITE)
M64, M66, M68 = M108, M110 (QUEEN ELIZABETH SUITE)
M71, M73, M75 = M111, M113 (KING GEORGE SUITE)
M70, M72, M74 = M112, M114 (DUKE OF EDINBRG. SUITE)
M77 = M115 (CHURCHILL SUITE)
M76 = M116 (Part of ROYAL SUITE)
M79, M81, M83 = M117, M119 (CHURCHILL SUITE)
M78, M80, M82 = M118, M120 (Part of ROYAL SUITE)
M84 = STORAGE
M85 = M201	
M86 = M202	
M87 = M203	
M88 = M204	
M89 = M205	
M90 = M206
M91 = M207	
M92 = M208	
M93 = M209	
M94 = M210	
M95 = M211	
New number M212 = a completely new cabin (used as offices).
M96 = STORAGE 
M97 = M121	
M98 = M122	
M99 = M123	
M100 = M124	
M101 = M125	
M102 = M126
M103 = M127	
M104 = M128	
M105 = M129	
M106 = M130	
M107 = M131	
M108 = Housekeeping storage.
M109 = M133	
M110 = M132	
M111 = M135	
M112 = M134	
M113 = NONE	
M114 = M136
M115 = M137	
M116 = M138	
M117 = M139	
M118 = M140	
M119 = M141	
M120 = M142
M121 = M143	
M122 = M144	
M123 + ladies' restroom ( part of M124?) = M215	
M124 + gents' restroom = M216	
BULKHEAD
M125 = M145	
M126 = M146	
M127 = M147	
M128 = M148	
M129 = M149	
M130 = M150
M131 = M151	
M132 = M152	
M133 = M153	
M134 = M154	
M135 = M155	
M136 = M156
M137 + M141 = M159	
M138 + M142 = M160	
M139 = M157	
M140 = M158	
M143 + M145 = M161	
M144 + M146 = M162	
M147 = M217	
M148 (+ part of M150?) = M218 (Inboard cabin - no porthole)
M149 + M151 = M219	
M150 + M152 = M220