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Fionn Demne Maol (MacCumhail) MacCool (abt. 0225 - abt. 0284)

Fionn Demne Maol (Finn) MacCool formerly MacCumhail
Born about in Irelandmap
Son of [father unknown] and [mother unknown]
[sibling(s) unknown]
Husband of — married [date unknown] [location unknown]
Husband of — married [date unknown] [location unknown]
Descendants descendants
Father of
Died about in Gabhrán, Irelandmap
Profile last modified | Created 7 Jul 2011 | Last significant change: 23 Apr 2021
13:07: Richard Devlin edited the Biography and Birth Date for Fionn Demne Maol (MacCumhail) MacCool (abt.0225-abt.0284). (adjusted birth Date to fit source) [Thank Richard for this | 1 thank-you received]
This page has been accessed 3,832 times.
Research suggests that this person may never have existed. See the text for details.



Fionn mac Cumhaill is said to be the posthumous son of Cumhall Mac Trénmoir of Leinster by Muireann, daughter of the druid Tadg mac Nuadat.[1] His father is said to have died in the Battle of Cnucha which is said to have occurred in 225 AD.[1] Thus, Fionn mac Cumhaill was born about 225 AD.

Fionn mac Cumhaill was first called "Demne Maol" by his mother, Muireann. [2] [3]

Demne Fionn Mac Cumhaill (Finn Mac Cool) was a mid 3rd century Irish warrior, a poet and a seer around who have grown many legends that have enriched Irish mythology. Finn Mac Cumhaill and his father Cumhall Mac Trénmoir of Leinster led the Fianna who kept a watch on inlets and anchorages against the threat of invasion by marauding foreigners. [4] [5]

His father was Cumhall son of Treanmhor; an uncle of the High King Conn Cétchathach Ceadcatha (Conn of the hundred battles). [6]

Two Wives [7]

  • Grain was the first wife of Finn MacCool
  • Ailbhe was the second wife of Finn Mac Cool


Fionn is said to have died in the Battle of Gabhair which is said to have occurred about 284 AD.[8]

Research Note

Fionn mac Cumhaill, also known as Finn McCool, is a central hunter-warrior character in the Fenian Cycle, one of the four major cycles of Irish mythology along with the Mythological Cycle, the Ulster Cycle, and the Historical Cycle.[9]


  1. 1.0 1.1 Silvester O'Halloran, A Rorg-Caṫa, or Martial Ode, Sung at the Battle of Cnucha by Fergus, Son of Finn, and Addressed to Goll, the Son of Morna; with a Literal Translation and Notes, The Transactions of the Royal Irish Academy , 1788, Vol. 2 (1788), pp. 7-17 ( : accessed 24 Dec 2020)
  2. Fionn Mac Cumhaill: Celtic Myth in English Literature page: 47 by James MacKillop pub: Syracuse University Press 1986
  3. Your Irish Culture : The Legend of Fionn mac Cumhaill
  4. Celt : Letter of Florence Mac Carthy to the Earl of Thomond, on the ancient history of Ireland para: 6 (Author: Florence MacCarthy Reagh) Corpus of Electronic Texts Edition
  5. Magic & Mythology : Fionn Mac Cumhaill
  6. Know that it was Cumhall son of Treanmhor, the fourth in descent from Nuadha Neacht, king of Leinster, who was his father, and that his mother was Muirn Mhunchaomh daughter of Tadhg son of Nuadha, druid of Cathaoir Mor The History of Ireland page: 331 by Geoffrey Keating Corpus of Electronic Texts Edition
  7. The British Chronicles vol: 1 page: 113 by David Hughes pub: Heritage Book, 2007
  8. Wikidata: Item Q5052008 help.gif
  9. Wikidata: Item Q7382460 help.gif

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MacCumhail-1 and MacCoole-1 appear to represent the same person because: same name, same stories
posted by Valerie Willis

M  >  MacCumhail  |  M  >  MacCool  >  Fionn Demne Maol (MacCumhail) MacCool

Categories: Irish History, Kingdom of Leinster | Uncertain Existence