ABEL, JOHN (1770 -1819), Welsh Independent minister .
ABEL, SION , an18th cent. Montgomeryshire ballad-writer .
ABLETT, NOAH (1883 -1935), miner and Trade Union leader .
ABRAHAM (d.1080), bishop of S. Davids (‘euream’ in Pen. MS. 20).
ABRAHAM (d.1232), bishop of S. Asaph .
ADAM (d.1181), bishop of S. Asaph .
ADAMS, DAVID (1845 -1923), Congregationalist divine .
ADAMS, ROGER (d.1741), bookseller and printer at Chester .
ADAMS, WILLIAM (1813 -1886), mining expert .
ADDA FRAS (1240? -1320?), poet and writer of prophecies .
AELHAEARN (7th cent.), patron saint .
AFAN (early 6th cent.), patron saint .
AIDAN , a6th cent. saint .
ALBAN DAVIES, DAVID (1873 -1951), business man and philanthropist .
ALBAN DAVIES, JENKIN (1901 -1968), business man and philanthropist .
ALBAN,Sir FREDERICK JOHN (1882 -1965), chartered accountant and administrator .
ALEN, RHISIART ap RHISIART , author of ‘Carol ymddiddan ag un marw ynghylch Purdan’ ,
ALICE verch Griffith ap Ieuan ap Llywelyn Fychan ( fl. 1540-1570), a poetess .
ALLCHURCH, IVOR JOHN (1929 -1997), footballer .
ALLEN, EVAN OWEN (1805 -1852), writer .
ALLEN, JAMES (1802 -1897), dean of S. Davids and antiquary .
ALLEN, JOHN ROMILLY (1847 -1907), archaeologist .
ALLEN, ROBERT (1847 -1927), Baptist minister .
ALLGOOD family, of Pontypool and Usk .
ALMER (or ALMOR ), family of Almer andPant Iocyn, Denbs.
AMBROSE, WILLIAM ROBERT (1832 -1878), Baptist minister and antiquary .
AMBROSIUS AURELIANUS ( c. 475) , British leader .
ANARAWD ap GRUFFYDD (d.1143), prince .
ANARAWD ap RHODRI (d.916), prince .
ANDREWS, JOSHUA (1708? -1793), Baptist minister .
ANEIRIN , a famous poet who flourished in thesecond half of the 6th cent.
ANGHARAD (d.1162 ).
ANIAN (d.1306?), bishop of Bangor .
ANIAN I (d.1266), bishop of S. Asaph .
ANIAN II (d.1293), bishop of S. Asaph .
ANTHONY, DAVID BRYNMOR (1886 -1966), school teacher and academic administrator .
ANTHONY, GRIFFITH (1846 -1897), musician .
ANTHONY, HENRY MARK (1817 -1886), landscape painter .
ANTHONY, WILLIAM TREVOR (1912 -1984), singer .
ANWYL family, of Park,Llanfrothen, Mer.
ANWYL, EDWARD (1786 -1857), Wesleyan minister .
ANWYL,Sir EDWARD (1866 -1914), Celtic scholar .
ANWYL, LEWIS (1705? -1776), cleric and author .
ANWYL, THOMAS ( fl. late 16th or early 17th cent.), poet .
AP GWYNN, ARTHUR (1902 -1987),librarian and the third librarian of the University College of Wales, Aberystwyth .
AP THOMAS, DAFYDD RHYS (1912 -2011), Old Testament scholar .
ARMSTRONG-JONES,Sir ROBERT (1857 -1943), physician and alienist .
ARNOLD family, of Llanthony andLlanvihangel Crucorney, Mon.
ARTHUR (early 6th cent.?), one of the leaders of the Britons against their enemies .
ASAPH ( c. 600 ), reputed founder of the see of S. Asaph .
ASHBY, ARTHUR WILFRED (1886 -1953), agricultural economist .
ASHTON, CHARLES (1848 -1899), Welsh bibliographer and literary historian .
ASHTON, JOHN (1830 -1896), musician .
ASSER (d.909), bishop and scholar .
ATKIN, JAMES RICHARD , Baron Atkin, life peer (1867 -1944), judge .
ATKIN, LEON (1902 -1976), minister of the Social Gospel and a campaigner for the underclass in south Wales .
AUBREY, THOMAS (1808 -1867), Welsh Wesleyan Methodist minister .
AUBREY, WILLIAM ( c. 1529 -1595), civil lawyer .
AUBREY, WILLIAM (1759 -1827), engineer .
AURELIUS CANINUS ( fl. 540 ) prince .
AWBERY, STANLEY STEPHEN (1888 -1969),politician, local historian and author .