Medieval Irish Names - Behind the Name

Aengus m Medieval Irish
Older form of Aonghus.

Ailín m Medieval Irish
Possibly an Irish form of Alan or Ælfwine.

Brádach m Medieval Irish
Irish byname, possibly derived from bradach meaning "thieving, roguish, spirited".

Bradán m Medieval Irish
Means "salmon" in Irish. It could also be formed from Irish brad "thief" and a diminutive suffix.

Caiside m Medieval Irish
Irish byname meaning "curly haired", from Irish cas "twisted, curly".

Calbhach m Medieval Irish
Means "bald" in Irish.

Calvagh m Medieval Irish (Anglicized)
Anglicized form of Calbhach.

Ciardha m Medieval Irish
Irish byname derived from ciar meaning "black".

Coileán m Medieval Irish
Irish byname meaning "whelp, young dog".

Corraidhín m Medieval Irish
Possibly means "little spear" from Irish corra "spear" and a diminutive suffix.

Cuidightheach m Medieval Irish
Irish byname meaning "helpful" (cuidigh means "help").

Dubhghall m Medieval Scottish, Medieval Irish
Irish and Scottish Gaelic form of Dougal.

Eochaidh m Medieval Irish
From the Old Irish name Eochaid meaning "horseman", derived from ech "horse". This name was borne by many historical and legendary Irish kings.

Gallchobhar m Medieval Irish
Derived from Old Irish gall "stranger" and cobar "desiring".

Gilla Críst m Medieval Irish
Medieval Irish name meaning "servant of Christ".

Mathghamhain m Medieval Irish
Variant of Mathgamain.

Mochán m Medieval Irish
Derived from Irish moch meaning "early" combined with a diminutive suffix.

Mór 1 f Medieval Irish
Means "great" in Irish. This was a popular medieval Irish name. It was probably given in some cases as an alternative to Máire, which was considered too sacred for general use.

Muireadhach m Medieval Irish, Scottish Gaelic
From Old Irish Muiredach meaning "lord, master". This was the name of several legendary and historical kings of Ireland.

Murchadh m Medieval Irish, Scottish Gaelic
Means "sea battle", derived from Old Irish muir "sea" and cath "battle". This name was borne by several medieval Irish chieftains and kings. It is Anglicized as Murdo in Scotland.

Nuallán m Medieval Irish
Irish byname derived from nuall meaning "famous, loud" combined with a diminutive suffix.

Raghnailt f Medieval Irish
Irish form of Ragnhild.

Ragnailt f Medieval Irish
Medieval Irish form of Ragnhild.

Ragnall m Medieval Irish
Medieval Irish form of Ragnvaldr.

Rémann m Medieval Irish
Medieval Irish form of Raymond.

Ruadh m Medieval Irish, Medieval Scottish
Irish and Scottish Gaelic byname meaning "red", often a nickname for one with red hair. This was the nickname of the Scottish outlaw Raibeart Ruadh MacGregor (1671-1734), known as Rob Roy in English.

Sáerlaith f Medieval Irish
Older form of Saorlaith.

Sítheach m Medieval Irish
Means "peaceful" or "fairy-like" in Irish, from Old Irish síd. Alternatively, it could be from sídach "wolf".

Sluaghadhán m Medieval Irish
Derived from Irish sluaghadh meaning "raid, mobilization" and a diminutive suffix.

Tighearnach m Medieval Irish
From Old Irish Tigernach, derived from tigerna meaning "lord". This was the name of an Irish saint, the founder of the monastery at Clones in the 6th century. According to some tales of his life, he was taken by British pirates to the monastery of Rosnat in his youth, but he escaped and returned to Ireland.

Tighearnán m Medieval Irish
From Old Irish Tigernán meaning "little lord", from tigerna "lord" combined with a diminutive suffix. It was borne by a 6th-century saint who founded a monastery at Errew. It was also the name of a 12th-century king of Breifne.

Treasach m Medieval Irish
From Old Irish Tressach meaning "warlike, fierce".

Uaithne m Medieval Irish
Possibly from Old Irish úaine meaning "green". Alternatively, it may come from the name of the Irish tribe the Uaithni.

Úna f Irish, Medieval Irish
Probably derived from Old Irish úan meaning "lamb". This was a common name in medieval Ireland.

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