 The Maclachlans were loyal Jacobites . They were said to have been present at the Battle of Killiecrankie in 1689 . In the Jacobite Rising of 1715 Lachlan Maclachlan of that Ilk " signed the Address of Welcome to the Old Chevalier , the rightful King James VIII Stuart , on his landing in Scotland " . Archibald Brown , in The History of Cowal , wrote , " The chief of MacLachlan appeared with the Earl of Mar at Sheriffmoor as Colonel in the Pretender 's army , and for this act it is said Campbell of Ardkinglas followed MacLachlan like a sleuthhound for five years and shot him dead in 1720 " . 
