Material comprises handwritten biographical descriptions of various notable Welsh figures from the 17th - 20th century. The individuals described in the collection are as follows:
- William Quigley (1774-1823), clergyman, (item number: 18622)
- Edward Davies Bryan (1862-1929), businessman, (item number: 18623)
- John Edwin de Hirst Davies (died 1927), historian and antiquary, (item number: 18624)
- David Ffrancon Davies (born 1850), opera singer, (item number: 18625)
- Maggie Davies (fl. 1891), soprano, (item number: 18626)
- Dr Mary Davies (1855-1930), soprano, (item number: 18627)
- Reverend Dr Owen Davies (1840-1929), (item number: 18628)
- Sir W. Boyd Dawkins (born 1838), lecturer, (item number: 18629)
- John Evans (born 1796), schoolmaster, (item number: 18630)
- John G. Evans (1852-1930), literary scholar, (item number: 18631)
- Reverend John Hugh Evans, Cynfaen, (1882-1886), (item number: 18632)
- Samuel Evans (1794-1860), clergyman, (item number: 18633)
- David Francis (1865-1929), harpist, (item number: 18634)
- W.I. Griffith (died 1929), headmaster Caernarfon County School, (item number: 18635)
- John Harris (died 1927), draper, (item number: 18636)
- Matthew Henry (born 1662), scholar, (item number: 18637)
- William Henry (1774-1823), scholar, (item number: 18638)
- Hugh Hughes (1769-1809), lawyer, (item number: 18639)
- Hugh Pierce Hughes (fl. 1825), clergyman, (item number: 18640)
- John Ceiriog Hughes, Ceiriog (1832-1987), poet, (item number: 18641-18642)
- Hwfa Penmaen (1774-1823), Eisteddfodd adjudicator and chair winner, (item number: 18643)
- John Jesse (fl. 1835), antiquary, (item number: 18644)
- Reverend Evan Jones Ieuan Gwynedd (1820-1852), historian, (item number: 18645-18647)
- John Jones Talhaiarn(1792-1850), poet, (item number: 18648-18649)
- Sir John Pritchard Jones (1845-1917), businessman, (item number: 18650)
- John R. Jones Alltud Glyn Maelor, poet and hymn writer, (item number: 18651)
- Mrs Penn Lewis (died 1927), lecturer and evangelist, (item number: 18652)
- Reverend John Morgan (died 1701), poet, (item number: 18653)
- Dr John Vyrnwy Morgan (1861-1925), poet, (item number: 18654)
- Lewis Morris (1833-1907), poet, (item number: 18655)
- Robert Nelson (1656-1714), writer, (item number: 18656)
- Owain Aran, schoolmaster and musician, (item number: 18657)
- Reverend O.J. Owen (1851-1925), (item number: 18658)
- Owen Morgan Owen (died 1930), businessman, (item number: 18659)
- Reverend F.A. Rees, (item number: 18660)
- Reverend Robert Griffith Roberts (1867-1920), (item number: 18661)
- William Roberts (died 1778), lawyer, (item number: 18662)
- Dr Roland Rogers (1847-1929), music teacher and organist, (item number: 18663)
- Thomas Roscoe (1791-1871), literary scholar, (item number: 18664)
- Edward Thomas (1878-1917), poet, (item number: 18665)
- Dr John Thomas (died ca. 1890), writer, (item number: 18666)
- Joseph G. Thomas (1863-1929), schoolteacher, (item number: 18667)
- Reverend William Thomas (1859-1930), missionary, (item number: 18668)
- Dr Owen Pritchard (1853-1928), physician, (item number: 18669)
- Benjamin M. Williams (born ca. 1840), musician, (item number: 18670)
- Reverend D. Edward Williams (died 1925); Miss Dilys Edmunds, (died 1926), missionaries, (item number: 18671)
- Sir Howell Jones Williams (1843-1925), businessman, (item number: 18672)
- Sir Osmond Williams M.P. (1849-1927), (item number: 18673)
- Richard Williams (ca. 1790-1862?), Dic Dywyll, Bardd Gwagedd, writer, (item number: 18674)
- Robert Williams Robyn Erch (born 1771), writer, (item number: 18675)
- Reverend William Prydderch Williams (1845-1923), (item number: 18676)