The sons of peers, whether known in common conversation as lords or honorables.
The eldest sons of peers' sons, and their eldest sons in perpetual succession.
All the sons of baronets.
All esquires of the Knights of the Bath.
Lords of manors, chiefs of clans and other tenants of the crown in capite are esquires by prescription.
Esquires created to that rank by patent, and their eldest sons in perpetual succession.
Esquires by office, such as justices of the peace while on the roll, mayors of towns during mayoralty, and sheriffs of counties (who retain the title for life).
Members of the House of Commons.
Barristers-at-law.
Bachelors of divinity, law and physic.