The same as Burder. Louw or low is a Scotch word for flame or fire. "Low-bellers," according to Blount, "are men who go with a light and a bell; by the sight thereof birds sitting on the ground become somewhat stupefied, and so are covered with a net, and taken."

Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.

LOWER. The registered pedigree of the Lowers of Cornwall carries them back to about the time of Jolin or Henry III., and both name and family are probably from a Corno-British source. In Sussex, almost the only other county in which the name occurs, it is found as early as temp. Henry VI., but I have not yet been able to trace any connection between the two families. It is possible that the Sussex name may be equivalent to Atte-Lowe, which occurs in documents of the XIV. ceuturj'. In the XV. cent, the prefix at' was frequently replaced by the termination 'er.' See the articles -law, -low, and -er. Loherus occurs in the Domesd. of Suffolk as a baptismal name, and Lower, as an unprefixed surname, is found in the H.E. of that county.

Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.