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Dictionary of Medieval Names
from European Sources
☙

Macduff m. Old Irish mac 'son' + Old Irish duib 'of [the] black'.

Scotland
Latin
● 1070x1093 Mackduffe (abl) ESC X; 1095 Magdufe (gen) ibid. XV
Cite as: S.L. Uckelman. "Macduff". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 3. http://dmnes.org/2015/3/name/Macduff.