St Margaret of Antioch, 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(MARGARET)

	St Barbara and St Margaret firm/studio: Percy Bacon Brothers about 1908 Church of St Mary, Y Felinheli, Gwynedd north wall of the north transept (window number: nV)
	St Clement and St Margaret artist: Christopher Charles Powell 1945 Church of St Clement, Briton Ferry, Neath Port Talbot south wall of the chancel
	St Cecilia and St Margaret firm/studio: Joseph Bell & Son 1906 Church of St Gwrthwl, Llanwrthwl, Powys south wall of the nave
	Christ with St James and St Margaret firm/studio: Celtic Studios designer: Howard Martin glass painter: Hubert Thomas glass painter: Bryan Tobias Evans 1952 Church of St Margaret, Crynant, Neath Port Talbot east wall of the chancel
	St Margaret firm/studio: Morris & Co. about 1915 Church of St Mary and All Saints, Conwy south wall of the south aisle
	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 Deiniol, St Margaret and St Tyrnog Church of St Tyrnog, Llandyrnog, Denbighshire north wall of the north nave (window number: nIV)
	St Dyfrig and St Margaret firm/studio: G. Maile & Son about 1945 Church of St Margaret, Mountain Ash, Rhondda Cynon Taff south aisle
	St Margaret from St Margaret about 1860 Church of St Margaret, Bodelwyddan, Denbighshire porch
	Dorcas and St Margaret about 1892 Church of St John the Baptist, Newton, Swansea nave