Sion Wyn o Eifion Letters and Papers

Scope and Content

Personal papers mainly relating to John Thomas 'Sion Wyn o Eifion', 1809-1890, including letters, 1809-1890; poetry, [c.1840]-1855.

Administrative / Biographical History

John Thomas, 'Sion Wyn o Eifion' (1786-1859), poet, was born in Chwilog, Llanarmon, Caernarfonshire, the son of Thomas Roberts. Following his education at a school kept by Isaac Morris of Pentyrch Isaf, he suffered from a severe illness that left him frail and decrepit for the rest of his life.


Arranged chronologically

Conditions Governing Access

No restrictions


Compiled by Richard Burman for the ANW project. The following sources were used in the compilation of this description: Caernarfon Record Office, Sion Wyn o Eifion Letters and Papers, catalogue; Dictionary of Welsh Biography down to 1940 (London, 1959)

Other Finding Aids

A hard copy of the catalogue is available in Caernarfon Record Office

Conditions Governing Use

Usual copyright regulations apply.

Appraisal Information

All records deposited at Caernarfon Record Office have been retained.


Accruals are not expected

Related Material

Further material is National Library of Wales, Cwrtmawr MSS 74-75, 404, 480, 547; Cwrtmwar MS 479.

Geographical Names