1850s in Wales

	1840s \| 1860s \| Other years in Wales
	Other events of the decade

This article is about the particular significance of the decade 1850–1859 to Wales and its people.

Incumbents

Anne Beale — Gladys of Harlech (1858)
John Blackwell (Alun) — Ceinion Alun (1851;posthumously published)
B. B. Davies — The History of Wales (1853)
Samuel Evans (Gomerydd) — Y Gomerydd (1854)
John Ceiriog Hughes — Gohebiaethau Syr Meurig Crynswth (vol. 1) (1856)
Aneurin Jones — Tafol y Beirdd(1852)
- John Jones (Talhaiarn) — Gwaith Talhaiarn, vol. 1 (1855)
Owen Wynne Jones
- Fy Oriau Hamddenol (1854)
- Dafydd Llwyd (1857)
- Lleucu Llwyd (1858)
Robert Parry (Robyn Ddu Eryri) — Teithiau a Barddoniaeth Robyn Ddu Eryri (1857)
William Rees (Gwilym Hiraethog)
- Aelwyd F'Ewythr Robert (1852)
- Gweithiau Barddonol Gwilym Hiraethog (1855)
William Thomas (Islwyn) — Barddoniaeth (1854)
William Thomas (Gwilym Marles) — Prydyddiaeth (1859)
Morris Williams (Nicander) — Y Psalmwyr (1850)
William Williams (Creuddynfab) — Y Barddoniadur (1855)

Y Blwch Cerddorol (collection of hymns and anthems) (1854)
Thomas Jones (Gogrynwr) — Gweddi Habacuc (cantata) (1851)
J. Ambrose Lloyd — Teyrnasoedd y Ddaear (1852)
Edward Stephen (Tanymarian) — Ystorm Tiberias (oratorio) (1852)
January 1856 — The Welsh national anthem, Hen Wlad Fy Nhadau, is composed by James James with lyrics by his father Evan James.

1850
- 4 January — Griffith J. Griffith, industrialist (died 1919)
- 16 April — Sidney Gilchrist Thomas, inventor (died 1885)
1851
- 24 March — Robert Ambrose Jones (Emrys ap Iwan) (d. 1906)
- 8 July — Sir Arthur Evans, archaeologist (d. 1941)
- 27 December — Percy Gilchrist, industrialist
- date unknown — Elizabeth Phillips Hughes, promoter of women's education (died 1925)
1852
- 20 March — John Gwenogvryn Evans, palaeographer (died 1930)
- 26 April — William Eilir Evans, journalist (died 1910)
- 28 April — Sir Francis Edwards, 1st Baronet, Liberal politician (died 1927)
- 11 May — Sir David Saunders Davies, MP (died 1934)
- 25 November — Sir Evan Vincent Evans, Eisteddfod supporter (died 1934)
- December — Alice Gray Jones (Ceridwen Peris), writer (died 1943)
1855
- date unknown — Jeremiah Jones, poet (died 1902)
1856
- 26 March — David Alfred Thomas, politician (died 1918)
1858
- 28 January — Edgeworth David, explorer (died 1934)
- 28 December — Josiah Towyn Jones, politician
1859
- 16 February — T. E. Ellis, politician (died 1899)
- 17 July — Ernest Rhys, writer (died 1946)

1850
- 2 September — Charles Williams-Wynn, politician (born 1775)
1851
- 6 April — William Morgan Kinsey, travel writer (born 1788)
- 30 June — Thomas Phillips, founder of Llandovery College (born 1760)
1852
- 23 February — Evan Jones (Ieuan Gwynedd), minister and journalist, 31
- 2 May — John Jones (Ioan Tegid), poet (born 1792)
- 26 November — John Josiah Guest, engineer, entrepreneur and politician, 77
1853
- date unknown — William Roberts, preacher (b. 1809)
1854
- 3 April — Edward Lloyd, 1st Baron Mostyn, politician (born 1768)
- 29 April — Henry Paget, 1st Marquess of Anglesey, soldier and politician (born 1768)
1855
- 28 June — FitzRoy Somerset, 1st Baron Raglan (born 1788)
- date unknown
- Sir John Morris, 1st Baronet, industrialist
- John Henry Vivian, industrialist (born 1785)
1857
- 10 February — David Thompson, explorer (born to Welsh parents 1770)
- 12 August — William Daniel Conybeare, dean of Llandaff (born 1787)
- 16 August — John Jones, Talysarn, leading non-conformist minister (born 1796)
1858
- 17 November — Robert Owen, founder of the Co-operative Society (born 1771)
- 20 November — Sir Joseph Bailey, 1st Baronet, ironmaster (born 1783)
- 18 December — John Salusbury Piozzi Salusbury, nephew of Hester Thrale (born 1793)