Lower, Mark A (1860) Patronymica Britannica: a dictionary of the family names of the United Kingdom. London: J.R. Smith. Public Domain.
MACKLIN
As described in historical dictionaries
Patronymica Britannica (1860)
MACKLIN. 1. A corruption of i\Iac Lean, or of Mecklin in Belgium. 2. Dutch, te Mechelen; at or of Malines.
Origin: English
Region of origin: British Isles
Country of origin: England
Religion of origin: Christian
Language of origin: English