George Francis Mulvany (1809–1869) N Charles Wynne Nicholls (1831–1903) Paul Nietsche (1885–1950) – portraits and still-life O Dermod O'Brien (1865–1945) – landscape and portrait painter John O'Brien (1831–1891) – Irish-born Canadian marine artist James Arthur O'Connor (1792–1841) – painter John O'Connor (1830–1889) – painter Roderic O'Conor (1860–1940) – painter influenced by Impressionism Éamonn O'Doherty (1939–2011) – sculptor John O'Keeffe (c. 1797 – 1838) – portrait and figure painter Aloysius O'Kelly (1853 – c. 1941) – painter of coastlines, fishing ports and villages Tony O'Malley (1913–2003) – self-taught painter Frank O'Meara (1853–1888) – painter Daniel O'Neill (1920–1974) – Romantic painter born in Belfast George Bernard O'Neill (1828–1917) – paintings and etchings Henry O'Neill (1798–1880) – artist and archaeologist William Orpen (1878–1931) – portrait painter Dennis H Osborne (1919–2016) – painter Jean Osborne (1926–1965) – abstract paintings and graphic designer Walter Osborne (1859–1903) – impressionist painter Seán O'Sullivan (1906–1964) – portrait painter Rory O'Tunny (fl. 1540s) – sculptor P George Petrie (1790–1866) – painter, musician, antiquary and archaeologist Stanley Pettigrew (born 1927) – painter Garrett Phelan (born 1965) – installation artist Raymond Piper (1923–2007) – portraiture and illustration Albert Power (1881–1945) – sculptor Sarah Purser (1848–1943) – artist often working in stained glass Stephen Pusey (born 1952) – mural painter Patrick Pye (1929–2018) – sculptor, painter and stained glass artist; resident in County Dublin R Basil Rakoczi (1908–1979) – artist and member of The White Stag group John Ramage (1748–1802) – Irish American artist, goldsmith, portrait painter, and miniaturist Eileen Reid (1894–1981) – painter Nano Reid (1900–1981) – painter Jim Ricks (born 1973) – contemporary artist Anne Rigney (born 1957) – abstract artist and sculptor Thomas Roberts (1749–1778) – landscape painter Maria D. Robinson (1840–1920) – painter Markey Robinson (1918–1999) – painter with a distinctive naïve expressionist style Richard Rothwell (1800–1868) – portrait and genre painter John Ryan (1925–1992) – artist, writer, critic, publisher, patron, broadcaster and publican S William Sadler II (c. 1782 – 1839) – landscape painter Augustus Saint-Gaudens (1848–1907) – Irish-born American sculptor of the Beaux-Arts generation Caroline Scally (1886–1973) – Irish landscape artist Robert Richard Scanlan (1801–1876) – painter and portraitist Patrick Scott (1921–2014) – artist Sean Scully (born 1945) – Irish-born American painter and printmaker Paul Seawright (born 1965) – artist and professor of photography at the University of Ulster Dermot Seymour (Born 1956) – painter Kevin Sharkey (born 1960) – painter and celebrity Neil Shawcross (born