Prince of Wales - George (later George IV)
Princess of Wales - Caroline of Brunswick
23 January - John Scandrett Harford inherits the family estates on the death of his father.
28 March - Opening of the British School for boys at Newport.
12 April - Admiral Thomas Foley is knighted.
23 May - John Luxmore replaces William Cleaver as Bishop of St Asaph.
May or June - Bryn Oer Tramway opens in South Wales.
18 June - Henry Paget, 1st Marquess of Anglesey, famously loses a leg at the Battle of Waterloo. General Thomas Picton is killed in the same battle.
A twice-weekly boat service between Cardiff and Bristol is established.
Walter Davies - General View of the Agriculture and Domestic Economy of South Wales
Richard Fenton - Memoirs of an Old Wig
Thomas Love Peacock - Headlong Hall (anonymous; dated 1816)
David Richards (Dafydd Ionawr) - Barddoniaeth Gristianogawl
24 January - Thomas Gee, publisher (died 1898)
16 April - Henry Austin Bruce, 1st Baron Aberdare (died 1895)
May - William Lucas Collins, author (died 1887)
2 June - John Deffett Francis, painter and art collector (died 1901)
21 November - John Bowen, Bishop of Sierra Leone (died 1859)
13 December - Thomas Rees, Congregational minister (died 1885)
date unknown - Thomas Gruffydd, harpist (died 1887)
5 March - Sir Stephen Glynne, 8th Baronet, 34
24 April - John Lloyd, naturalist, 65
18 June - Thomas Picton, soldier, 56
date unknown - Edward Edwards, Royal Navy officer of Welsh parentage, 73
1815 in Wales Wikipedia
This article is about the particular significance of the year 1815 to Wales and its people.