| Oncidium Norreys | 01 Jan 1942 | Oncidium Dictune × Oncidium Illustrissimum |
| Oncidium Fraser | 01 Jan 1931 | Oncidium Zenobia × Oncidium Illustrissimum |
| Oncidium Priory | 01 Jan 1931 | Oncidium Brewii × Oncidium Illustrissimum |
| Oncidium Severn | 01 Jan 1930 | Oncidium Dreadnought × Oncidium Illustrissimum |
| Oncidium Brenda (1929) | 01 Jan 1929 | Oncidium Illustrissimum × Oncidium Jasper |
| Oncidium Megan | 01 Jan 1925 | Oncidium Illustrissimum × Oncidium King Arthur |
| Oncidium Emily | 01 Jan 1924 | Oncidium Illustrissimum × Oncidium Warnhamense |
| Oncidium Iduna | 01 Jan 1924 | Oncidium Chanticleer × Oncidium Illustrissimum |
| Oncidium Delphin | 01 Jan 1924 | Oncidium Illustrissimum × Oncidium Nitidum |
| Oncidium Bedouin | 01 Jan 1923 | Oncidium Dusky Monarch × Oncidium Illustrissimum |
| Oncidium Muriel | 01 Jan 1923 | Oncidium Dido × Oncidium Illustrissimum |
| Oncidium Crisarillus | 01 Jan 1923 | Oncidium Crispo-Harryanum × Oncidium Illustrissimum |
| Oncidium Duke of York (1922) | 01 Jan 1922 | Oncidium Illustrissimum × Oncidium Percultum |
| Oncidium Canopus | 01 Jan 1922 | Oncidium Illustrissimum × Oncidium Prince Albert (1907) |
| Oncidium Antinea | 01 Jan 1922 | Oncidium Wilsonii × Oncidium Illustrissimum |
| Oncidopsis Merope | 01 Nov 1921 | Miltoniopsis Bleuana × Oncidium Illustrissimum |
| Oncostele Desdemona II | 26 Apr 1921 | Oncidium Illustrissimum × Rhynchostele rossii |
| Oncidium Redskin | 01 Jan 1921 | Oncidium Illustrissimum × Oncidium Nathaniel |
| Oncidium Tacita | 01 Jan 1921 | Oncidium Royal Gem × Oncidium Illustrissimum |
| Oncidium Brunhilde | 01 Jan 1921 | Oncidium Illustrissimum × Oncidium Lohengrin |
| Oncidium Cardinal Wolsey | 01 Jan 1921 | Oncidium Alexandrina × Oncidium Illustrissimum |
| Oncidium Terentia | 01 Jan 1921 | Oncidium Illustrissimum × Oncidium maillardianum |
| Oncidium Winifred | 24 Aug 1920 | Oncidium Illustrissimum × Oncidium Rosella |
| Oncidium Camden (1920) | 01 Jul 1920 | Oncidium Coronation (1907) × Oncidium Illustrissimum |
| Oncidium Robin Hood | 01 Jan 1920 | Oncidium Illustrissimum × Oncidium Mars |
| Oncidium Pallas (1919) | 22 Mar 1919 | Oncidium Doris × Oncidium Illustrissimum |
| Oncidium Portia (1919) | 22 Mar 1919 | Oncidium Aglaon × Oncidium Illustrissimum |
| Oncidium Dulcies | 01 Feb 1919 | Oncidium Cooksoniae (1909) × Oncidium Illustrissimum |
| Oncidium Melanthus | 01 Jan 1919 | Oncidium Illustrissimum × Oncidium Nathaniel |
| Oncidium Donna | 01 Jan 1919 | Oncidium Leeana × Oncidium Illustrissimum |
| Oncidium Dovere (1919) | 01 Jan 1919 | Oncidium Diana × Oncidium Illustrissimum |
| Oncidium Freda Sander (1919) | 01 Jan 1919 | Oncidium fuscatum × Oncidium Illustrissimum |
| Oncidium Dene | 01 Jan 1919 | Oncidium Crawshayanum × Oncidium Illustrissimum |
| Oncidium Cilleham | 21 Dec 1918 | Oncidium Joan × Oncidium Illustrissimum |
| Oncidium Violet Queen | 16 Nov 1918 | Oncidium Armstrongiae × Oncidium Illustrissimum |
| Oncidium Marjorie (2) | 01 Jun 1918 | Oncidium Illustrissimum × Oncidium nobile |
| Oncidium Rosslyn | 13 Apr 1918 | Oncidium Illustrissimum × Oncidium Rolfeae |
| Oncidium Amillus | 13 Apr 1918 | Oncidium Amethyst × Oncidium Illustrissimum |
| Oncidium Windsor | 16 Mar 1918 | Oncidium Sanderae × Oncidium Illustrissimum |
| Oncidium Nora (1918) | 02 Mar 1918 | Oncidium Dora (1910) × Oncidium Illustrissimum |
| Oncidium Betesham | 21 Apr 1917 | Oncidium Lairesseae × Oncidium Illustrissimum |
| Oncidium Illustworth | 03 Mar 1917 | Oncidium Aireworth × Oncidium Illustrissimum |
| Oncidium Insignis | 12 Aug 1916 | Oncidium Illustrissimum × Oncidium Charlesworthii (1910) |
| Oncidium Portia (1916) | 12 Aug 1916 | Oncidium Vuylstekeae (1904) × Oncidium Illustrissimum |
| Oncidium Adrieum | 05 Jun 1915 | Oncidium Adrianae grex × Oncidium Illustrissimum |
| Oncidium Lawrence Bresson | 24 Apr 1915 | Oncidium Illustrissimum × Oncidium Meteor |
| Oncidium Vivid (1915) | 20 Mar 1915 | Oncidium noezlianum × Oncidium Illustrissimum |
| Oncidium Clarissa | 01 Jan 1915 | Oncidium Bradshawiae (1907) × Oncidium Illustrissimum |
| Oncidium Eximillus | 02 May 1914 | Oncidium Eximium × Oncidium Illustrissimum |
| Oncidium Ardentillus | 02 May 1914 | Oncidium Ardentissimum × Oncidium Illustrissimum |
| Oncidium Domingo | 01 Jan 1914 | Oncidium harryanum × Oncidium Illustrissimum |
| Cyrtocidium Elissa | 01 Jan 1913 | Cyrtochilum edwardii × Oncidium Illustrissimum |
| Oncidium Conqueror | 01 Jan 1913 | Oncidium alexandrae × Oncidium Illustrissimum |
| Oncidium Illustris | 01 Jan 1908 | Oncidium Charlesworthii (1908) × Oncidium Illustrissimum |