Cormac

Cormac has a place in Irish legend. Cormac mac Airt is a high king in Irish legend. Outside the stories, Cormac is used as a given name in both Irish and English.¹²³⁴

Accounts of Cormac mac Airt belong to legend; dates given for his reign are uncertain.

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An Irish name with an unsettled meaning

Cormac comes through Old Irish Cormac or Corbmac. Its final element means “son”; proposed first elements include “chariot” or “wagon”, and “defilement” or “corruption”.¹⁴⁵

Cormacc in historical records

Cormacc is a documented Old Irish form corresponding to Cormac. Treat it as a historical spelling to explore, rather than a ready-made nickname.⁵

CormaccCormacc is a variant of Cormac.

Sources

Patrick Woulfe, Cormac — Irish Names and Surnames (1923), libraryireland.com (opens in a new tab)
Vernam Hull, Echtra Cormaic Maic Airt, “The Adventure of Cormac Mac Airt” — PMLA publisher extract, cambridge.org (opens in a new tab)
Whitley Stokes, The Irish ordeals, Cormac’s adventure in the Land of Promise, and the decision as to Cormac’s sword — CELT, celt.ucc.ie (opens in a new tab)
Cormac — Wiktionary, en.wiktionary.org (opens in a new tab)
Kathleen M. O'Brien, Index of Names in Irish Annals: Cormacc / Cormac, medievalscotland.org (opens in a new tab)

Researched from sources and checked in a separate review. We list reference works, not other baby-name websites. Last revised 4 October 2026.

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