Colonel Dermot O’Brien’s Foot

Active1642 to
ConflictsIrish Confederate War
ColonelDermot O’Brien
Area RaisedThomond
Coat Colour
Flag Colour
Flag Design
Field Armies

Irish Confederate foot besieging Ballyallie Castle in 1642

Service History


  • February: Raised in Connaught and Thomond
  • February to March: Siege of Ballyallie Castle, Co. Clare


An account of the siege of Ballyallie is shown in The History and Topography of the County of Clare by James Frost.

Coats, Flags & Equipment

At least 40 musketeers

Notable Officers

Dermot O’Brien

Officer List

Dermot O’Brien, Esq., of Dromore, Colonel. Turlogh O’Brien, Esq., of Tullamore. Sir Daniel O’Brien, Knight, of Carrigaholt. Daniel O’Brien, Esq., of Carrowduff. Conor O’Brien, Esq., of Ballymacooda, eldest son of Sir Daniel. Oliver Delahoyde, Esq., of Tyredagh. Boetius MacMurtagh Clancy, Esq., of Inchmore. Hugh Hogan, Esq., of Ballyhehane. Conor O’Brien, Esq., of Leamaneh. Turlogh, and Murtagh, sons of Teige O’Brien, of Dromore. Teige, son of Daniel Reagh MacNamara, of Garruragh. Donogh MacNamara of Cratloe. Daniel MacNamara of Doon, gent. Donogh, MacConor Reagh, MacNamara of Ballykelly. Rory MacNamara of Caherinagh, gent. Teige MacNamara of Dromconora, gent. Owney Oge O’Loghlen of Greggans, gent. and his three sons. Sheeda, son of Rory MacNamara of Carrowneleghan. Redmond Neylan of Knockanany, gent. Flann Neylan of Rosslevan, and three sons, gent. David Neylan of the same, gent. Patrick O’Hogan of Shallee, gent. James Hogan of Erinagh (Dysert). John Lynch of Dysert, gent. Hugh O’Grady of Inchicronan, gent. John FitzJames O’Grady of Ballyinemore, gent. Gilladuff O’Shaughnessy of Dysert. Richard O’Grady of Inchicronan, gent. Henry O’Grady of Clonskrine. Daniel O’Grady of Carrowkeel, gent. Managh O’Grady of Ballylinebeg. Captain Wm. O’Shaughnessy of Gort. Captain Henry O’Grady of Knockaney, Co. Limerick. Andrew Bourke of Inish, merchant. Daniel Hernon of the same. Divers others.


  • 1642: near a thousand rebels out of Connaught and Thomond

See Also