Windows made by Mayer
In Cornwall
- Charlestown, St Paul
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- South transept east, , single light, (FA).
- South transept south 1, , single light, (FH).
- South transept south 2, , single light, Christ as the light of the world (FH).
- Falmouth, King Charles the Martyr
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- North aisle 1, , four lights, Christ and the family at Bethany.
- Liskeard, Our Lady and St Neot
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- Chancel east (left), , two lights, Joseph : Francis of Assisi
- Mawnan, St Maunanus and St Stephen
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- North aisle 1, , two lights, Christ with Mary Magdalene: Noli me tangere.
- St Agnes, St Agnes
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- Chancel east, , four lights, Nativity : Baptism of Christ : Crucifixion : Ascension
- St Austell, Holy Trinity
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- Chancel east, , four lights,
a. b. c. d. - South Chapel south 2, , two lights,
a. b. - Tower west, , four lights, SS Andrew : Peter : Paul : John above four armorials: the Crown (patron of the church), sees of Truro and Exeter and the arms of the town.
- Chancel east, , four lights,
- St Gluvias, St Gluviacus
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- Tower west, , three lights,
2. 1a. English artillery (Royal Regiment of Artillery?) colours 1b. Arms, crest and motto of Griffin 1c.
- Tower west, , three lights,
- St Martin-by-Looe, St Keyne and St Martin
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- Chancel east, , five lights, Christ stilling the tempest
- South transept south, , three lights, Suffer little children
Outside Cornwall
These are mostly windows that have some connection with Cornwall; it is not intended to be a complete list.
- Tavistock, St Eustachius
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- South aisle 1, , four lights, (FH).