Poirier Lake
Feature Type:Lake - Inland body of standing water.
Status: Official
Name Authority: BC Geographical Names Office
Relative Location: S side of De Mamiel Creek, just W of Sooke, Otter Land District
Latitude-Longitude: 48°23'38"N, 123°46'03"W at the approximate centre of this feature.
Datum: WGS84
NTS Map: 92B/5
Origin Notes and History:

Poirier Lake adopted 12 June 1934 on National Defence sheet 415c, Sooke.

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

Earlier local name was Hiscocks Lake (dates/significance not cited).

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

After the Poirier family, old timers in this district. See Poirier Creek.

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