Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
CADWALLADER
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
(origin: Welsh.) Derived from cad, battle, and gwaladr, a leader, a lord--the leader or lord of the battle. Gwaladr would seem to come from gwal, a wall or defense, and adre, signifying at home or abroad, everywhere.
Surname type: Occupational name
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English