"Maclure Lake (not Tyee Lake nor Long Lake)" adopted in the 15th Report of the Geographic Board of Canada, 31 March 1917, as labelled on BC map 3D, 1913. Name changed to Tyhee Lake 2 July 1951 on 93 L/11, being the well-established, preferred local name according to April 1953 advice from Smithers Chamber of Commerce (file S.1.51)

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office

Labelled "McLean's Lake" on Trutch's 1871 map of British Columbia. Labelled "Aldermere Lake" elsewhere (map/document title/date not cited). Still identified as "Maclure Lake" on pamphlets distributed by Telkwa and District Chamber of Commerce as recently as 1978.

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office

Thyee is a spelling variation of the Chinook Jargon word "tyee", meaning "chief"

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office

"Originally pronounced Die-yeeh, and was home to a Wet'suwet'en Chief who became known as Tyhee Lake David. The traditional name of the lake is Too-Kyoh-buhn, pronounced toh-kyoh-bun, and it means Big Water Lake. The creek is called Too-kyoh-kwa." (information shared February 2005 by Gary R. George, as told by Rita A. George and the late Andrew George Sr., all Bulkley Valley residents of Wet'suwet'en ancestry.)

Source: BC place name cards, or correspondence to/from BC's Chief Geographer or BC Geographical Names Office

From Report of Bulkley Valley Survey by A.L. Poudrier, January 1893 (survey done 1892), "Township 4, . . . Parts of Sections 2 and 3 are covered by a lake, which we have called Aldermere." (Information from Alan Pickard, local historian, 2016).

Source: included with note