Wallhouse (originally Well-house), a modern castellated mansion, with wings and a lofty square tower, in Torphichen parish, Linlithgowshire, 3 miles NNW of Bathgate. Its owner, Andrew Gillon, Esq. (b. 1823; suc. 1846), holds 1465 acres in the shire, valued at £1521 per annum.—Ord. Sur., sh. 31, 1867. See Ju. Small's Castles and Mansions of the Lothians (Edinb. 1883)-

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