English. The spelling variations of Clafferty include MacLaverty, McLaverty, McLafferty, MacLafferty, MacLardy, MacLardie, McLardy, McLardie, MacLeverty, McLeverty, MacLacharty, McLacharty and many more. First found in Islay , one of the Hebridean islands, and Court of the Lords of the Isles from very ancient times. The MacLavertys, MacLevertys, and variations on that