Artwork
Portrait of Hugh Smithson (Percy), Ist Duke of Northumberland (1714-1786), former Lord Lieutenant of Ireland

Portrait of Hugh Smithson (Percy), Ist Duke of Northumberland (1714-1786), former Lord Lieutenant of Ireland is an oil painting by the Rococo painting artist Thomas Gainsborough. It dates from 1767 and is held in the collection of the National Gallery of Ireland.
About this work
Overview
It is part of the National Gallery of Ireland’s collection and exemplifies the light‑filled, graceful aesthetic associated with the Rococo period in England.
Thomas Gainsborough painted this oil portrait of Hugh Smithson, the first Duke of Northumberland, around 1767. The work presents the aristocrat in formal dress, set against a dark, unadorned backdrop that concentrates attention on his figure. It is part of the National Gallery of Ireland’s collection and exemplifies the light‑filled, graceful aesthetic associated with the Rococo period in England.
Subject & Meaning
The sitter, Hugh Smithson (1714‑1786), held the office of Lord Lieutenant of Ireland, a senior representative of the British crown. His attire—a dark blue coat with red lapels trimmed in gold—and the star‑shaped medal on his chest signal his rank and official duties. The composed, calm expression conveys the dignity expected of a high‑ranking nobleman of the era.
Technique & Style
Gainsborough employs a restrained palette of blues, reds, and golds, allowing the figure to emerge from the muted background. Soft, diffused lighting models the face and hands, creating a subtle three‑dimensional effect. Brushwork is smooth and controlled, particularly in rendering the sheen of the coat and the texture of the wig, reflecting the artist’s characteristic fluidity within a Rococo framework.
History & Provenance
Created in the late 1760s, the portrait entered the National Gallery of Ireland, where it remains on display. Its provenance traces back to the Duke’s family holdings before being acquired by the museum, providing a documented link between Gainsborough’s studio and the Irish public collection.
Artist & collection
Artist
Thomas Gainsborough (; 14 May 1727 (baptised) – 2 August 1788) was an English painter, draughtsman and printmaker who specialised in portrait and landscape painting.



















