Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
LEDGER
As described in historical dictionaries
Patronymica Britannica (1860)
LEDGER. " The very business-like name of Ledger may not improbaljly be a corruption of Ludegar, the name of a warlike king of the Saxons in the Nibelungen Lied." Ferguson. 2. A more probable derivation is from the Fr. legcr, light, swift, nimble. 3. The most probable of all is from the Norman St. Leger, with the omission of the prefix.
Surname type: Occupational name
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English