{{Use dmy dates|date=April 2022}} '''Muirchertach''' (modern spelling: '''Muircheartach''', anglicised as '''Murtagh''') is an Irish language male given name meaning "mariner".<ref>[http://www.behindthename.com/name/muirchertach Behind the Name]</ref> The name was sometimes Anglicised as "Mortimer." The Old Norse name Kjartan is derived from this name.<ref>Ásgeir Blöndal Magnússon. ''{{lang|is|Íslensk orðsifjabók}}'', 1st edition, 2nd printing (1989). Reykjavík, {{lang|is|Orðabók Háskólans}}.</ref> Muirchertach was borne by several figures from legend and history, including:

*Muirchertach mac Muiredaig (Mac Ercae), great-grandson of Niall of the Nine Hostages and High King of Ireland *Muirchertach mac Néill, 10th-century king of Cenél nEógain *Muircheartach Ua Briain, 12th-century High King of Ireland *Muirchertach Mac Lochlainn, 12th-century king of Cenél nEógain *Muirchertach mac Maelruanaidh Mor, obscure king of Magh Luirg

==See also== *List of Irish-language given names

== References ==

<references/> {{Gaelic names}}

{{given name}}

Category:Irish-language masculine given names Category:Masculine given names