Noted in Geographic Board of Canada files 2 April 1930 (February and April 1930 letters, file F.2.34). "Helen Mackenzie Lake (not Goose, Goss nor Gosse)" identified in 1930 BC Gazetteer. Adopted as Lake Helen Mackenzie 12 December 1939 with all other names for map 92F/11.

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

Named after Helen Maud Hutton Mackenzie, niece of His Honour Robert Randolph Bruce, Lieutenant Governor of BC; both were present at the formal opening of the Dove Creek Trail into the Forbidden Plateau in 1929. Born 28 April 1905 at Edinburgh, she served as Chatelaine at Government House from March 1926 until 14 February 1930 when she left Victoria for England, to marry Julian I. Piggott. During her years as Chatelaine, Miss Mackenzie was Honourary President of the municipal chapter of IODE, and was involved with numerous associated activities. Following her marriage, her sister, Margaret Mackenzie assumed the role of official hostess at Government House. (see also "The Men at Cary Castle" by S.W. Jackman, Victoria: Morris Printing, 1972, p. 129)
See related article in Victoria Colonist 2 February 1930.

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