"Chipuin Mountain (not Chipooin)" adopted in the 12th Report of the Geographic Board of Canada, 30 June 1913. "Chipuin Mountain (not Mount Chipuin)" confirmed 2 March 1950 on 92I (file A.1.36).
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office
Spelled "Chi pooin Mtn" on Geological Survey sheet 557, Kamloops, 1895, to accompany report by George Dawson in GSC Annual Report Vol VII, part B, 1894.
Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office
From the Shuswap name for the summit of the nearby pass, Tshipooin, meaning "a cache in the ground". (Notes on the Shuswap People.... by George M. Dawson, published in Transactions, Royal Society of Canada, vol IX (1891), p.42, and in Geological Survey of Canada Annual Report Vol VII, 1894, p.403B).
Source: Provincial Archives of BC "Place Names File" compiled 1945-1950 by A.G. Harvey from various sources, with subsequent additions