Dirleton is recorded in this Index as a Scottish barony in the county of Haddington. The earliest record identified so far is dated 1437. It also appears in the sources as Dirltoun.
The historical record
References identified
Register of the Great Seal
RMS vii, no. 1859, pp. 671–672 (9 July 1618): erection to Thomas, Viscount of Fentoun, Lord Dirleton. Read the printed entry ↗
From the Association’s Great Seal research, September 2026. Each citation was checked against the printed register; follow the link to read the entry.
Retours and Lyon records
Retours, Haddington place-name index entry; exact numbered retour/date not yet resolved
The references reproduce the wording and qualifications recorded in the index. How the Index is compiled.
Historical references and present ownership are separate questions. Inclusion in this research index does not establish the present holder of a dignity. Spotted an error or a missing reference? Suggest an edit.