As described in historical dictionaries

An Etymological Dictionary of Family and Christian Names (1857)

(origin: Celtic and Gaelic.) From Ball, a place, a round elevation; and ard, high. The Gaelic word Ballart signifies noisy, boasting. Bal also signifies a lord, and ard, high.

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


Patronymica Britannica (1860)

BALLARD. An ancient baptismal name. Balard, H. R.

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


Surname type: Occupational name

Origin: English

Region of origin: British Isles

Country of origin: England

Religion of origin: Christian

Language of origin: English

BritishSurnames.uk is a Good Stuff website.