The 1717 Indemnity Act freed a large number of prisoners including hundreds of Jacobite supporters of which some two hundred had been captured at the 1715 Battle of Preston. The Act didn't under attainders or restore lands. Those released included:

William Murray 2nd Lord Nairne.

Robert Dalzell 5th Earl of Carnwath 1687-1737.

William Widdrington 4th Baron Widdrington.

There were exemptions including:

Matthew Prior Poet 1664-1721.

Robert Harley 1st Earl of Oxford and Earl Mortimer.

Simon Harcourt 1st Viscount Harcourt.

Thomas Harley of Kinsham Court 1667-1738.

All members of the Clan McGregor including Rob Roy MacGregor.