Lord Claneboye’s Regiment of Horse

Active1642 to 1649
ConflictsIrish Confederate War
ColonelLord Claneboyes
Area RaisedUlster
Flag Colour
Flag Design
Field ArmiesMonro 1642-6
Montgomery 1649

Also known as the Earl of Clanbrassil's Regiment of Horse

Troop of horse raised and serving in Ulster during the Irish Confederate Wars, later expanded to a regiment and fighting for the Royalists

Service History


  • Raised in Ulster
  • July: Taken into Parliamentary pay
  • September: Assigned to support the Scots army in Ulster



  • 1st Lord Claneboys dies, command passes to the 2nd Lord Claneboys



  • June: Battle of Benburb




  • September: Mustered at Ballycoine for the Royalists


Claneboye’s troop were newly raised in Ulster in 1642. Noted in the Ulster forces in 1642 1). Originally they were raised in order to support the Scots army in Ulster. At Benburb they fought as a single troop and their cornet was slain. By 1649 they had joined the Royalists and been expanded to a full regiment of 4 or 5 troops.

Flags & Equipment

Hollick suggests the troop's cornet might have been red and/or white in common with Lord Claneboys’ Regiment of Foot2).

Notable Officers

A list of the unit's officers is shown in Army List of the Ulster British Forces, 1642-1646. by Kevin Forkan. Archivium Hibernicum, Vol. 59 (2005), pp. 51-65 available via JSTOR

James Hamilton, 1st Viscount Claneboys

James Hamilton, 1st Viscount Claneboye died in 1644 at the age of 84.

James Hamilton, 2nd Viscount Claneboys

James Hamilton, 2nd Viscount Claneboye succeeded his father and was created 1st Earl of Clanbrassil in 1647.


  • 1642: 60 horse
  • August 1642: 11 officers, 60 troopers, 4 wagon horses
  • September 1649: A list of the regiment of horse commanded by the earle of Clonbrassill:— the collonell ; leiutenant-coilonell ; captaines, 3 ; leiutenants, 4 ; cornetts, 4 ; quartermasters, 4 ; corporalls, 13 ; trumpets, 7 ; troopers, 202; chirurgeon- major and regiment quartermaster3).

See Also

1) Historical Manuscripts Commission, Fourteenth Report, Appendix, Part VII, The Manuscripts of the Marquis of Ormonde
2) The Battle of Benburb 1646. Clive Hollick, Mercier Press, 2011. ISBN 978 1 85635 670 1.
3) Historical Manuscripts Commission, Fourteenth Report, Appendix, Part VII, The Manuscripts of the Marquis of Ormonde, p206