| St Illtud artist: Theodore Baily 1922 Priory Church of St Mary and St Illtyd, Caldey Island south wall of the nave
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| Crucifixion with the Virgin Mary, St John and Saints firm/studio: John Hardman & Co. 1916 Priory Church of St David, Swansea east wall of the sanctuary (window number: I)
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| Christ in Majesty and St Dyfrig from Christ in Majesty With Welsh Saints firm/studio: Burlison & Grylls various dates 1906–about 1946 Church of St James, Cardiff sanctuary apse
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| St Illtud and St David firm/studio: Celtic Studios 1960 Church of St Margaret, Mountain Ash, Rhondda Cynon Taff north aisle
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| St David with St Martin and St Illtud designer: William Pearce firm/studio: G. A. Rowson 1919 Church of St Illtyd, Llantwit Fardre, Rhondda Cynon Taff south wall of the nave
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| St Illtud, St Dyfrig and St Cadog designer: Roy Walter Coomber firm/studio: Solaglas Ltd 1989 Church of St Illtyd, Llantwit Fardre, Rhondda Cynon Taff south wall of the south chapel
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| Virgin and Child with St Illtud firm/studio: Powell & Sons (Whitefriars) Ltd. 1949 Church of St Mary, Burry Port, Carmarthenshire south wall of the south aisle
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| St Samson and St Illtud artist: Theodore Baily about 1920-1928 Caldey Abbey, Caldey Island cloister
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| Welsh Saints firm/studio: Celtic Studios 1949 and 1959 Church of St Gabriel, Brynmill, Swansea west wall of the nave
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| St Keyne with St Illtud and St Cadog artist: Horace Wilkinson 1922 Cathedral Church of St John Evangelist, Brecon, Powys north wall of the north aisle (St Keyne's Chapel)
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