Elis Wyn became well known as a poet and a literary adjudicator; he also edited Yr Haul from 1885 until 1895. He won prizes for poems at eisteddfodau held at Rhuddlan 1850, Ffestiniog 1854, Llanelly 1856, Ruthin 1857, Rhymney 1859, Caernarvon 1877, Llangurig 1882, but lost to his old schoolmaster, Eben Fardd, on the subject of the ‘Battle of Bosworth Field’ at the Llangollen eisteddfod of 1858. He adjudicated at the national eisteddfod from c. 1874 onwards. He published Hanes y Cymry, 1853; Awdl y Sabboth, c. 1856; Awdl Maes Bosworth, 1858; Awdl Farwnad Ab Ithel, c. 1878; Buddugoliaeth y Groes, 1880; Wreck of the London, 1865; Massacre of the Monks of Bangor Iscoed, 1876; Ordination Sermon, 1893, etc. He translated bishop How's commentary on the Four Gospels into Welsh and was responsible for two editions of Hymnau yr Eglwys.
He m., 26 Dec. 1854, at Llanbeblig, Esther May Roberts, schoolmistress at Llwyn-y-gell, Ffestiniog. Besides a daughter, he and his wife had three sons who entered the Church.
Sir William Llewelyn Davies, M.A., LL.D., F.S.A. (1887-1952), Aberystwyth