Church and chapel data from The Religious census of 1851 : A Calendar of the returns relating to Wales, Vol 11, North Wales. Ed. by Ieuan Gwynedd Jones, UWP, 1981. The names given towardsthe end of each entry are those of the informants.
Parish statistics; Area 6736 acres; Population 257 males, 261 females, total 518
Llanilltyd Parish Church Attendance - afternoon 40 + 13 scholars Service in Welsh "The Tithes of this Parish, the Annual Value of which is £80, belong to the patron and Improprietor, Sir R W Vaughan, Bart, out of which he pays the munificent sum above specified - 4d a day - to his unfortunate curate - the average weekly allowance given to a pauper in this Union. There is only one Servicein this Church on Sunday, as the Curate serves the adjoining Parish of Llanfachreth"George Phillips A.B., Perpetual Curate
Rees, Thomas & John Thomas Hanes Eglwysi Annibynnol Cymru (History of the Welsh Independent Churches), 4 volumes (published 1871+). The Llanelltyd section (in Welsh) has been extracted - with translation by Maureen Saycell (July 2011)
Cae-Mab-Seifion of Llanelltyd and Cefn Cymer of Llangar Collection 1637-1796
Dolmelynllyn estate , deeds "Dolmelynllyn, Llanelltyd, was settled by Griffith Vaughan (d. 1700), son of Robert Vaughan of Hengwrt, in the late 17th century....................."
Charles Thomas-Stanford Collection of Deeds "Deeds and other records, 1538-1826, relating to properties mainly in Merionethshire, particularly lands formerly belonging to the dissolved monastery of Cymer [p. Llanelltyd] near Dolgellau......"