Earl of Northampton’s Regiment of Horse

Oxford Army cavalry regiment often detached for independent action under the Earl of Northampton and with detachments at the garrison of Banbury

• July: Standoff at Kineton Heath
• August: Taking of Banbury
• August: Siege of Warwick Castle
• August: Battle of Southam
• September: Battle of Powick Bridge

• March: Skirmish at Long Buckby (det)?
• March: Battle of Hopton Heath
• March: Skirmish at Middleton Cheney
• March: Skirmish at Long Buckby (det)
• April: Siege of Lichfield?
• May: Skirmish at Middleton Cheney
• September: Skirmish at Adderbury
• September: First battle of Newbury
• September: Skirmish at Aldermaston and Padworth
• September: Attempt on Leicester
• November: Skirmish at Stowe
• December: Skirmish at Towcester

• March: Skirmish at Adderbury
• April: Storm of Canons Ashby
• June: Battle of Tipton Green
• June: Besieged at Compton Wynyates (det)
• June: Battle of Cropredy Bridge
• August: Skirmish at Canons Ashby (det)
• August: Battle of Lostwithiel
• October: Relief of Banbury Castle
• November: Relief of Donnington Castle
• November: Skirmish at Warwick (det)

• February: Skirmish at Daventry and Weedon Bec
• March: Skirmish at Halford Bridge
• March: Skirmish at Kingsthorpe
• April: Skirmish at Islip
• May: Storm of Leicester
• June: Battle of Naseby
• August: Storm of Huntingdon
• September: Battle of Rowton Heath
• October: Skirmish at Langar
• November: Besieged at Wiverton Hall

• January to May: Besieged at Banbury Castle (det)?
• March: Battle of Stow on the Wold
• May: Surrender at Banbury Castle

Spencer Compton, Second Earl of Northampton, killed at Hopton Heath in March 1643.

James Compton, 3rd Earl of Northampton inherited the Earldom and his father's regiments. Until 1643 he was titled Lord Compton.

Sir Charles was younger brother of James, the 3rd Earl and served as Lieutenant Colonel to his brother.