Knockdow or Knockdhu, a mansion in Inverchaolain parish, Argyllshire, near the right bank of Ardyne Burn, 2 miles NNW of Toward. It is the seat of James Lamont, Esq. (b. 1828; suc. 1861), author, Arctic explorer, and Liberal M.P. for Buteshire 1865-68, who holds 6277 acres in the shire, valued at £1776 per annum.—Ord. Sur., sh. 29, 1873.

(F.H. Groome, Ordnance Gazetteer of Scotland (1882-4); © 2004 Gazetteer for Scotland)