Feature Type:Community - An unincorporated populated place, generally with a population of 50 or more, and having a recognized central area that might contain a post office, store and/or community hall, etc, intended for the use of the general public in the region.
Name Authority: BC Geographical Names Office
Relative Location: Part of District of West Vancouver, New Westminster Land District
Latitude-Longitude: 49°20'00''N, 123°12'00''W at the approximate population centre of this feature.
Datum: NAD27
NTS Map: 92G/6

Origin Notes and History:

Adopted 26 November 1979 on 92 G/6, as listed in numerous Directories dating from the 1920's.

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

Named by John Fitzgerald Mahon ( - 1942) of Vancouver and London, who subdivided land here in 1913, after his brother-in-laws' courtesy title, Earl of Altamont, the eldest son of the Marquess of Sligo (Irish peer), and brother of his wife, Lady Alice Mahon.

Source: Provincial Archives of BC "Place Names File" compiled 1945-1950 by A.G. Harvey from various sources, with subsequent additions