Dictionary of Medieval Names
from European Sources

Malachi m. Hebrew מַלְאָכִי 'my messenger'.

The name of an Old Testament prophet. Wycliffite Bible (1395): Malachie.

In Ireland, Malachias was used to render Maol Mhaodhóg.

Ireland
Latin
1496 Malachiam (acc) RegOct 34, Malachias (nom) ibid. 34, Malachie (gen) ibid. 34
Cite as: S.L. Uckelman. "Malachi". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2017, no. 1. http://dmnes.org/2017/1/name/Malachi.