Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
LINGARD
As described in historical dictionaries
Patronymica Britannica (1860)
LINGARD. INIr. Ferguson thinks that Lingard and Linnegar may be inversions of the 0. nigh Germ. Girlaud, a name compounded of gcr, a spear, and lind, the limetree; figui'ativcly a shield — because shields are made of that wood.
Surname type: Occupational name
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English