The title Earl of Glasgow was bestowed on David Boyle, Lord Boyle, one of the commissioners who negotiated the Treaty of Union uniting England and Scotland into Great Britain.

The titles held by the Earl are: Viscount of Kelburn (created 1703), Lord Boyle of Kelburn, Stewartoun, Cumbrae, Finnick, Largs and Dalry (1699), Lord Boyle of Stewartoun, Cumbraes, Fenwick, Largs and Dalry (1703) and Baron Fairlie (1897). The earldom and all subsidiary titles are in the Peerage of Scotland, except that the barony of Fairlie is in the Peerage of the United Kingdom.

The family seat is Kelburn Castle in Ayrshire, Scotland.

Earls of Glasgow (1703)

• David Boyle, 1st Earl of Glasgow (1666-1733)
• John Boyle, 2nd Earl of Glasgow (1688-1740)
• John Boyle, 3rd Earl of Glasgow (1714-1775)
• George Boyle, 4th Earl of Glasgow (1766-1843)
• James Carr-Boyle, 5th Earl of Glasgow (1792-1869)
• George Frederick Boyle, 6th Earl of Glasgow (1825-1890)
• David Boyle, 7th Earl of Glasgow (1833-1915)
• Patrick James Boyle, 8th Earl of Glasgow (1874-1963)
• David William Maurice Boyle, 9th Earl of Glasgow (1910-1984)
• Patrick Robin Archibald Boyle, 10th Earl of Glasgow (b. 1939)