| Core territory | Berwickshire, Scottish Borders |
| Gaelic form | Suainton |
| Clan motto | J'espère (I hope) |
| Notable figures | Sir Alan de Swinton (12th century), Alan Swinton (General, 18th century) |
Swinton is one of the oldest Scottish surnames with continuous documentation. The name derives from the estate of Swinton in Berwickshire, held by the Swinton family from at least the 11th century — making them one of the longest-established landed families in Scotland. The place-name itself is pre-Norman: "swin" (swine, pig) and "tun" (enclosure or farm) — a farm where pigs were kept, in the Old English tradition of settlement naming that predates the Norman conquest.
The Swintons appear in Scottish records from the reign of David I (1124–1153), when the family is first documented as holding lands in Berwickshire. They are among the very few Scottish families whose continuous tenure of the same land can be traced from before 1200 to the present day.
One of the most celebrated trees in Border history was the Great Oak of Swinton — a massive ancient oak said to have stood on the Swinton estate for centuries, under which the Swinton family administered justice and held courts. The oak was already ancient when it was mentioned in 17th-century records, and it became a symbol of the family's deep rootedness in the Border landscape. Trees of this kind — the hallowed oak of a great family's seat — appear throughout Border and Scottish tradition, and the Swinton oak was one of the most famous examples.
The Swinton family produced a significant military lineage. In the medieval period, they fought in the Border wars between Scotland and England — the Swintons appear in the records of the Battle of Flodden (1513) and in earlier engagements along the Berwickshire marches. In the 18th and 19th centuries, the family contributed officers to the British army. General Sir John Swinton of Kimmerghame (1779–1860) was a significant figure in the reorganisation of the British cavalry in the Napoleonic period.
The Swinton name is concentrated in Berwickshire. The Old Parish Records for this county — available at ScotlandsPeople — provide records for Swinton parish itself as well as surrounding parishes where the family and its tenants were recorded. The Swinton estate papers, held in the National Records of Scotland, provide detailed records of land management and family correspondence from the 17th century onward.
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