Atkinson, George A.S. (1875-1949), born Newcastle upon Tyne, an assistant school master and amateur astronomer who resided in Cardiff and had an observatory with a hinged roof. His instrumentation included a 6.5-inch reflector by D. Booth (Leeds?) and 2.85-inch refractor by E.G. Wood (ASWJ, 2  (1896 June), 97; CNO, 1  (Nov. 1896), 117; 7 (1904), 26 & [series 111] 1 (1910), 60; Winks 1896, 79).
Billups, Percy Christopher Charles [Dr.] (1859-1938), medical surgeon, amateur observer and observer of comets, lived in Barry (Jones 2014, 77).
Bowen, Edward George [FRS] (1911-1991), physicist, astronomer and Australian scientific administrator, originated from Swansea (Jones 2014, 80-1).
Bruce, W. Conybeare [Ven. Archdeacon] (1844-1919), Anglican cleric and amateur astronomer, owned 12-inch reflector in observatory (Jones 2014, 78-9).
Cowling, Thomas George [Prof., FRS] (1906-1990), applied mathematician and astrophysicist, one time lecturer in Swansea (Jones 2014, 82-3).
Davies, David Tegfan [Rev. Dr.] (1883-1963), amateur observer and popular lecturer, resided in Pontypridd and Glynneath.
Evans, Franklen George [Dr., JP] (1826-1904), medical doctor and amateur astronomer, owned 12-inch reflector in observatory, Cardiff and Vale of Neath (Jones 2014, 78).
Featherstone, Bernard Edward (1913-1995), amateur astronomer (Jones 2014, 79).
Heath, Thomas Edward (1849-1918), amateur observer, popular lecturer, Cardiff and Penarth (Jones 2014, 78).
Jenkins, John [FRAS] (1803-1868), clockmaker/jeweller/gunsmith; Swansea’s first RAS fellow (Jones 2014, 74).
Jones, Daniel James (1876-1965), Cardiff, curator of the Cardiff City Telescope (Jones 2014, 79&84).
Jones, Evan Lewis (1876-?), popular lecturer, lived Merthyr Tyfil.
Lattey, Norman (c.1865-1941), born Calcutta, India, amateur observer and organiser, resident in Cardiff who had an observatory at Dinas Powys eqipped with a 8 1/2-inch reflector by Calver (Jones 2014, 77).
Lee, Henry Herbert [Major General] (1838-1920), amateur observer, Dinas Powys (Jones 2014, 77).
Llewelyn, John Dillwyn [FRAS] (1810-1882), amateur astronomer, built observatory on estate at Pen-lle’r-gaer (Jones 2014, 73).
Madge, Ernest Alcwyn [Alewyn] (1876-1961), born Tongwynlais, artist/photographer and amateur astronomer, both observer and astrophotographer. Lived at Morriston, Swansea and is known to have made telescope mirrors (3 to 10-inch) and photographed the Sun, Moon and a solar eclipse in 1912 (Evans 1923, 293-4; Mills 1914, 152&162).
Mee, Arthur Butler Phillips (1860-1926), amateur astronomer and author, lived in Cardiff (Jones 2014, 77).
Middlehurst, Barbara (1915-1995), US-based writer on astronomy and lunar specialist, originated from Penarth (Jones 2014, 81).
Pigott, Nathaniel [FRS] (1725-1804), amateur astronomer, lived at Frampton, near Llantwit Major in the 1770s.
Pigott, Edward (1753-1825), amateur astronomer and son of Nathaniel Pigott, lived at Frampton, near Llantwit Major in the 1770s where he established an observatory (see below).
Rees, John (1862-1949), amateur observer, popular lecturer, Penarth (Jones 2014, 73).
Scott, William (c.1832-1906), amateur observer who had an observatory with revolving dome at his home in Brecon Road, Merthyr Tydfil, housing a 6 1/2-inch silver-on-glass reflector by G. Calver and a 3-inch refractor (Obit., JASW, 1907, i-ii).
Tanner, Henry William Lloyd [Prof., FRS] (1851-1915), professor of mathematics in Cardiff, amateur observer (Jones 2014, 81).
Taylor, Albert (1865-1930), one time assistant to Sir Norman Lockyer and to Andrew Ainslie Common, organised Royal Society and R.A.S. Eclipse Expeditions, lived in Penarth (Jones 2014, 77).
Waters, William John (b. 1875 – ?), amateur observer, telescope maker, Abercynffig (Jones 2014, 78).
Whitmell, Charles Thomas (1849-1919), amateur astronomer and observer, one time resident in Cardiff. (Jones 2014, 77; see Yorkshire).
Williams, Harry Samuel (1840-1921), amateur astronomer, Swansea (Jones 2014, 75).