Curate of Holywell (Flints) in 1829; rector of Manor Deivy (Pembs) in 1833.
Educated at Jesus College, Oxford, paid for by subscription fund of local gentry and clergy
No formal education; apprenticed to William Kirkha, a shoemaker with literary interests. Blackwell attended meetings of the local Cymreigyddion (literary societies), and, through a subscription supported by local gentry and clergymen, went to Jesus College, Oxford.
D. Gwenallt Jones, ‘Alun’, Llên Cymru, I, 4 (1951) 209-19