The subsidiary titles of the Earl are: ''Viscount Garnock'' (created 1703 ), ''Lord Lindsay of The Byres'' ( 1445 ), ''Lord Parbroath'' ( 1633 ) and ''Lord Kilbirnie, Kingsburn and Drumry'' ( 1703 ), all in the Peerage of Scotland. The title ''Viscount Garnock'' is used as the Courtesy Title for the eldest son and heir to the Earl.