St Cecilia of Rome, virgin martyr
He designed chapels in mid-Wales at Bala, Machynlleth and Montgomery, the Calvinistic Methodist College at Bala as well as the railway station at Newtown and the Market Hall in Dolgellau. Spaull also renovated several Anglican churches.

11HH(CECILIA)

	St Cecilia about 1916 Church of St Brynach, Nevern, Pembrokeshire
	King David from St Cecilia and King David firm/studio: probably Robert J. Newbery about 1902 Church of St Andrew, Narberth, Pembrokeshire east walls either side of the chancel arch
	St Cecilia and Faith firm/studio: Powell & Sons (Whitefriars) Ltd designer: Ernest Penwarden about 1923 Church of St James, Manorbier, Pembrokeshire north wall of the north aisle
	King David and St Cecilia firm/studio: probably G. Maile & Son about 1947 Church of St Illtud, Mamhilad, Monmouthshire south wall of the sanctuary (window number: sII)
	St Cecilia and St Francis artist: Lawrence Lee 1962 Church of St Michael, Aberystwyth, Ceredigion north wall of the north aisle chapel
	St Cecilia and St Luke artist: Mary Lowndes 1925 Church of the Holy Trinity, Aberaeron, Ceredigion south wall of the nave
	St Cecilia with Choristers Church of St Mary, Kidwelly, Carmarthenshire south wall of the chancel
	St Cecilia and Church Choirs designer: Roy Walter Coomber firm/studio: Solaglas Ltd 1989 Church of St Illtyd, Llantwit Fardre, Rhondda Cynon Taff south wall of the south chapel
	The Holy Church doth acknowledge Thee from Te Deum Windows firm/studio: James Powell & Sons designer: James Hogan designer: J. W. Brown 1911 Bangor Cathedral, Bangor, Gwynedd north wall of the north aisle
	St Cecilia and St Anthony of Padua about 1909 Church of St Winefride, Holywell, Flintshire (liturgical) south wall of the (liturgical) south transept