Earl of Cassilis’ Regiment of Foot

1643 to 1647
ConflictsFirst Bishops' War
Second Bishops' War
First Civil War
Third Civil War
ColonelEarl of Cassilis
Area RaisedAyrshire
Coat ColourGrey
Flag Colour
Flag Design
Field ArmiesLeslie 1639
Leslie 1640
Leven 1643-4
Baillie 1645
Middleton 1646
Leslie 1650?

Covenanter Regiment of Foot raised for the Bishops' Wars, raised anew for service in England, forming part of Leven’s army then returning to Scotland to oppose Montrose in 1645, raised again in 1650

Service History


  • Raised in Kyle and Carrick
  • May: Defend Galloway and Ayrshire in case of invasion from Ireland
  • June: March to join the field army at Duns Law
  • June: Standoff at Duns Law
  • June: Disbanded following the Treaty of Birks


  • June: Commissioned to be raised in Ayrshire and Wigtownshire
  • Join Leslie’s army at the Duns Law
  • August: Cross the Tweed with Leslie
  • August: Take Newcastle
  • August to August 1641: Occupy Newcastle


  • August: Return to Scotland and disbanded after the Treaty of London


  • August: Cassillis commissioned colonel and the regiment raised anew from Kyle and Carrick


  • January: At Dalkeith
  • March: Battle of Hylton
  • April to July: Siege of York
  • 2nd July: Battle of Marston Moor
  • July: Siege of York
  • Return to Scotland, serving under Baillie
  • October: Siege of Newcastle


  • Spring: Return to Scotland
  • April: Serving with Baillie
  • 2nd July: Battle of Alford
  • August: Battle of Kilsyth ~100
  • November: Assigned recruits from Galloway


  • February: Serving under Middleton
  • December to February 1647: Quartered in Glasgow



  • July: Cassillis commissioned colonel of a regiment to be raised in Ayr, Renfrew and Dumbarton
  • September: Battle of Dunbar??


A history of the unit is shown in Edward M. Furgol’s A Regimental History of the Covenanting Armies 1639-1651 Edinburgh, 1990. ISBN 0 85976 194 0

Furgol hypothesises that the regiment was destroyed at Dunbar as there is no mention of it thereafter

Coats, Flags & Equipment

The regiment was likely dressed in ubiquitous Scots hodden grey with blue bonnets.

Notable Officers

A list of the regiment's officers is shown in Stuart Reid's Scots Armies of the 17th Century 1. The Army of the Covenant 1639-1651 Partizan Press 1998 ISBN 094652550

Earl of Cassilis


  • January 1644: 10 companies
  • September 1644: 700 men
  • March 1645: 800 men
  • Only around 100 men survived Alford to fight at Kilsyth
  • July 1650: 870 men planned to be levied

See Also