[1] It was created in 1801 for Alexander Wedderburn, 1st Baron Loughborough, Lord Chancellor from 1793 to 1801, with special remainder to his nephew Sir James St Clair-Erskine, as Wedderburn had no surviving issue of his own.

His son, the third Earl, was a General in the Army and held political office as Master of the Buckhounds and Under-Secretary of State for War.

As of 2015[update], the titles are held by his great-great-grandson, the seventh Earl, who succeeded his father in 1977.

His eldest son, the fourth Baronet, was killed at the Battle of Lauffeld in 1747.

The heir apparent is the present holder's son, Jamie William St Clair-Erskine, Lord Loughborough (b.