1811 in Wales

This article is about the particular significance of the year 1811 to Wales and its people.

Incumbents

 * Lord Lieutenant of Anglesey – Henry Paget
 * Lord Lieutenant of Brecknockshire and Monmouthshire – Henry Somerset, 6th Duke of Beaufort
 * Lord Lieutenant of Caernarvonshire – Thomas Bulkeley, 7th Viscount Bulkeley
 * Lord Lieutenant of Cardiganshire – Thomas Johnes
 * Lord Lieutenant of Carmarthenshire – George Rice, 3rd Baron Dynevor
 * Lord Lieutenant of Denbighshire – Sir Watkin Williams-Wynn, 5th Baronet
 * Lord Lieutenant of Flintshire – Robert Grosvenor, 1st Marquess of Westminster
 * Lord Lieutenant of Glamorgan – John Stuart, 1st Marquess of Bute
 * Lord Lieutenant of Merionethshire - Sir Watkin Williams-Wynn, 5th Baronet
 * Lord Lieutenant of Montgomeryshire – Edward Clive, 1st Earl of Powis
 * Lord Lieutenant of Pembrokeshire – Richard Philipps, 1st Baron Milford
 * Lord Lieutenant of Radnorshire – George Rodney, 3rd Baron Rodney


 * Bishop of Bangor – Henry Majendie
 * Bishop of Llandaff – Richard Watson
 * Bishop of St Asaph – William Cleaver
 * Bishop of St Davids – Thomas Burgess

Events

 * 5 February - The Prince of Wales becomes Prince Regent.
 * 25 March - Sir Joseph Bailey takes over Nantyglo Ironworks.
 * 25 May - The Hay Railway is authorised by an Act of Parliament.
 * 19 June - The first Methodist Association for the ordination of new ministers is held at Llandeilo. Thomas Charles plays a leading role. The Presbyterian Church of Wales thus secedes from the Church of England.
 * 20 August - Thomas Sheasby resigns as engineer of the Aberdare Canal, to be replaced by George Overton. As part of the canal works, a free-standing metal rail bridge is built at Robertstown, Aberdare - the first of its kind in the world.
 * 17 September - Completion of The Cob embankment across Traeth Mawr by William Madocks is celebrated. His nearby model town of Tremadog is also completed by this year.
 * date unknown
 * At Hereford Assizes, Samuel Homfray and his partners in the Penydarren ironworks sue the Dowlais Company for fouling the Morlais brook with cinders and slag.
 * Pont-y-gwaith is built over the River Taff near Merthyr Tydfil.

English language

 * Thomas Charles - Biblical Dictionary, vol. 4
 * Richard Fenton - A Tour in Quest of Genealogy
 * Ann Hatton - Poetic Trifles
 * Peter Roberts - Brut Tysilio (English translation)

Welsh language

 * Thomas Evans (Tomos Glyn Cothi) - Cyfansoddiad o Hymnau
 * John Williams (ed.) - Gwaith Prydyddawl … W. Williams

Music

 * John James - Pigion o Hymnau

Births

 * 14 January - Rowland Prichard, musician (d. 1887)
 * 26 January - Roger Edwards, minister (d. 1886)
 * 11 March - Thomas Jones (Glan Alun), poet (d. 1866)
 * 12 March - Mary Pendrill Llewelyn, translator and writer (died 1874)
 * 7 April - John Williams (Ab Ithel), antiquary (d. 1862)
 * 29 May - Charles Meredith, pioneer grazier and politician in Tasmania (died 1880 in Australia)
 * 25 June - Jane Hughes, poet (died 1880)
 * 11 July - William Robert Grove, inventor (d. 1896)
 * date unknown - John Jones (Shoni Sguborfawr), Rebecca rioter (died 1858)

Deaths

 * 1 May - Titus Lewis, Baptist minister and writer, 38
 * 30 May - Nicholas Owen, priest and antiquarian, 59
 * 4 July - Mariamne Johnes, botanist, 27
 * 25 September - Joshua Eddowes, printer and bookseller, 87
 * 3 October - Sir John Stepney, 8th Baronet, politician, 68