Colonel William Douglas of Kelhead (died 1673) raised a regiment of foot in Nithsdale and Annandale in 1643. Variously known as Colonel William Douglas of Kilhead’s (sic) Regiment of Foot and The Nithsdale and Annandale Regiment, it was a Covenanter Regiment of Foot raised for service in England, forming part of the Earl of Leven’s army. At the Battle of Marston Moor, 2 July 1644, the second line was entirely composed of Scots, including William Douglas of Kilhead's Regiment, under Major-General Sir James Lumsden. He was created Baronet of Nova Scotia in 1668.