Arthur, William (1857) An Etymological Dictionary of Family and Christian Names. New York: Sheldon, Blakeman. Public Domain.
LEONARD
As described in historical dictionaries
An Etymological Dictionary of Family and Christian Names (1857)
The disposition of a lion; lion-hearted; from leon, a lion, and ard, Teutonic, nature, disposition.
Patronymica Britannica (1860)
LEONARD. The personal name. Lennie and Lankin ajipear to be derivatives, and Leuard and Lcunard are corruptions.
Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
Surname type: From given name or forename
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English