“dead pond”
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A name. A world of connections.
A given name in Irish
No sourced pronunciation yet
01 / Meaning & origin
Muircheartach is a masculine given name documented in Irish.
No etymology is recorded in our sources for this spelling yet. The record exists because the name is documented in use; a meaning will be shown only once a cited source supports it.
02 / Across borders
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03 / By the numbers
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04 / Through time
Passages quoted verbatim from public-domain reference works. They reflect the scholarship of their time, not current consensus, and may use obsolete spellings.
MUIRCHEARTACH— “sea warrior”
Morvryn may be sea-king. “Morolt with the iron mace,” as romance calls him, the brother of Yseulte, who was killed by Sir Trystan, is called Morogh by his own countrymen in Ireland. It is the contraction of Muireadhach, or sea protector, a favourite Irish name, though, after degenerating into Morogh, it was usually rendered into Morgan, and so continues in modern Ireland. It is perhaps the same with Meriadek, or Meiriadwg, the title of Conan, the chieftain who is said to have…
Morvryn may be sea-king. “Morolt with the iron mace,” as romance calls him, the brother of Yseulte, who was killed by Sir Trystan, is called Morogh by his own countrymen in Ireland. It is the contraction of Muireadhach, or sea protector, a favourite Irish name, though, after degenerating into Morogh, it was usually rendered into Morgan, and so continues in modern Ireland. It is perhaps the same with Meriadek, or Meiriadwg, the title of Conan, the chieftain who is said to have colonized Brittany, and also with the Welsh Meredith, both as a Christian and a surname. In Ireland, the sons of Morogh became O'Muireadaig, and then contracted into Murray. Muredach is said to have reigned over the Scots from 733 to 736, and is transformed into Murdach, Murochat, Muirtec, Mordacus. It must have become mixed with Muircheartach, from _ceart_ (a right), which has produced Moriertagh, Murtagh, or Morty, as a Christian name in Ireland; but it is now made into Mortimer. It is Murdoch in Scotland, once very common, and not yet extinct, and the North, adopting it with other Keltic names, calls it Kjartan.
Yonge, History of Christian Names (1884), Part V, Chapter IV (Names Of Cymric Romance), Section VII (Percival) · Public domain (Project Gutenberg)
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06 / Behind the facts
Review status: Source-reported — no editorial review recorded yet. Last data change 2026-10-15.
Wiktionary text: CC BY-SA 4.0. Wikidata: CC0. Commons recordings retain their individual file licences. Complete attribution is available in each group above and alongside each chart.