Ugolino di Prete Ilario
Illustration — Central mosaic, once part of Orvieto Cathedral facade, depicting Birth of the Virgin designed by Ugolino, made in to mosaic by Giovanni Leonardelli Ugolino di Prete Ilario was an Italian painter mosaicist. He was born in Siena, and executed some of the frescoes (1364) in the chapel of the Holy Corporal in the Orvieto Cathedral. In 1378 he was employed with other artists on the decoration of the walls of the tribune and choir behind the high altar of the same church.
Ugolino di Prete Ilario

Sailko · CC BY 3.0
- Died
- 1404
- Occupation
- painter · mosaicist
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Illustration — Central mosaic, once part of Orvieto Cathedral facade, depicting Birth of the Virgin designed by Ugolino, made in to mosaic by Giovanni Leonardelli Ugolino di Prete Ilario was an Italian painter mosaicist. He was born in Siena, and executed some of the frescoes (1364) in the chapel of the Holy Corporal in the Orvieto Cathedral. In 1378 he was employed with other artists on the decoration of the walls of the tribune and choir behind the high altar of the same church.
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Biography
Born at Siena in 1330, died in 1404.
Work by Ugolino di Prete Ilario is recorded in the collections of Städel Museum.

Paintings in the Museo dell'Opera del Duomo (Orvieto)
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Three mosaic panels from Orvieto Cathedral depicting the birth of the Virgin, main panel, and the prophets Nahum and Isaiah in the triangular sections. Dated 1365 by Giovanni Leonardelli, Victoria and Albert Museum item numbers 256:1 to 7-1891
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- “Ugolino di Prete Ilario”, English Wikipedia, consulted as further reading
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- Wikidata, structured authority record Q3547829: Ugolino di Prete Ilario
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The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 18 August 2026.
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