See here. A M Thomson is preparing a list of all the Harry Clarke windows in Ireland and the UK:
The bulk of Clarke's work is to be found in Ireland, but a few very significant pieces can be seen at the following places:-
Cambridgeshire: Ely Stained Glass Museum, Ely Cathedral; St Wilfred & St John Berchmans 1927 (made for Downahill Convent, Glasgow) (1 light)
Cheshire: St Mary's, Nantwich; Virgin & Child flanked by St Cecilia & St George 1920 (3 lights)
Dorset: St Mary's, Sturminster Newton; Virgin & Child flanked by St Elizabeth of Hungary & St Barbara 1921 (3 lights)
Durham: St Cuthbert's. Old Elvet; Sts Cuthbert, William Bede, Thomas Plumtree & Blessed Thomas Percy 1930-1 (2 lights)
(Hertfordshire: St Michael's, Waterford; St Cecilia Design only - it was freely executed from Clarke's drawings by Karl Parsons, whose work it otherwise entirely appears to be)
Lancashire: St Oswald & St Edmund, Ashton in Makerfield; 7 windows (each of one light) from 1930, Sts John, Clare, Ita, Juliana Falconieri, Paschal Baylon, Catherine of Siena, Tarcisius
London: Victoria & Albert Museum; Figure of Christ above small Crucifix (1 light - probably executed after Clarke's death from his original drawing)
Rutland; Private chapel, Exton Park; Blessed Oliver Plunkett & Thomas More 1926 (2 lights)
Sussex: Ashdown Park Hotel (formerly convent chapel of Our Lady) near East Grinstead; Immaculate Conception with St Anne 1925 (3 lights) The following 7 windows all of 2 lights from 1925;- Immaculate Conception & Visitation Mary's Presentation & Annunciation Visitation & Espousal Our Lady, Queen of Angels Holy Family & Presentation of Jesus Adoration of Magi & Descent of Holy Ghost Assumption & Coronation of Mary
Warwickshire: All Saints, Bedworth; Sts John, Peter, Paul & Luke 1929 (4 lights)
Scotland: Notre Dame College, Bearsden, Glasgow (moved from Downahill Convent, Glasgow); Coronation of Mary 1923 (3 lights) Mother of Sorrows 1926 (3 lights) Blessed Julie & Visitation 1927 (1 light)
Wales: All Saints, Penarth; Simeon with Infant Christ 1928 (1 light) St Michael giving Law to Moses & Annunciation 1930 (2 lights)
Windows executed after Clarke's death by Harry Clarke Studios of Dublin include the following
Cheshire: RC church, Knutsford,; Crucifixion (3 lights)
London St George's Cathedral, Southwark. East window, Crucifixion (9 lights) West window, Coronation of Mary (6 lights)
Clarke family tree, and connecting branches and roots, from Hampshire, UK to the Titanic and beyond. We have links for the name CLARKE obviously, so many others, see the whole list. If you have a link to our tree, or would like to put out a request for genealogy assistance, email pauly @ this domain I will try to help... This site is also home to my weblog, with links to all the things I like. It's all about me, my lovely wife + our beautiful boys... Also the usual things, work, Television, running, ect ect, + links to my fun projects.