| Cyrtocidium Zemi | 13 Jan 2003 | Cyrtocidium Kolibri × Oncidium Cooksoniae (1909) |
| Oncidium Pacific Praecox | 04 Jul 2002 | Oncidium Pupukea Sunset × Oncidium Cooksoniae (1909) |
| Oncidium Claengart | 01 Jan 1957 | Oncidium Avala × Oncidium Cooksoniae (1909) |
| Oncidium Cotangi | 01 Jan 1950 | Oncidium Cooksoniae (1909) × Oncidium Tangira |
| Cyrtocidium Crowborough | 01 Jan 1950 | Oncidium Cooksoniae (1909) × Cyrtochilum Auriferum |
| Oncidium Dallington | 01 Jan 1948 | Oncidium Benefactor × Oncidium Cooksoniae (1909) |
| Oncidium Oradea (1942) | 01 Jan 1942 | Oncidium Argia × Oncidium Cooksoniae (1909) |
| Oncidium Amaranth | 01 Jan 1942 | Oncidium Cooksoniae (1909) × Oncidium Amphion |
| Oncidium Fairwarf | 01 Jan 1941 | Oncidium Cooksoniae (1909) × Oncidium Alvara |
| Oncidium Riva | 01 Jan 1932 | Oncidium Cooksoniae (1909) × Oncidium Orobus |
| Oncidium Scylla | 01 Jan 1932 | Oncidium Borda × Oncidium Cooksoniae (1909) |
| Oncidium Melchet Glory | 01 Jan 1930 | Oncidium Cooksoniae (1909) × Oncidium Georgius Rex |
| Oncidium Sonia | 01 Jan 1928 | Oncidium Cardinale × Oncidium Cooksoniae (1909) |
| Oncidium Arundel | 01 Jan 1928 | Oncidium Chanticleer × Oncidium Cooksoniae (1909) |
| Oncidium Thais (1927) | 01 Jan 1927 | Oncidium Cooksoniae (1909) × Oncidium Luminosum |
| Oncidium Patheus | 01 Jan 1927 | Oncidium Cooksoniae (1909) × Oncidium Lady Veitch |
| Oncidium Saint Aubyn | 01 Jan 1925 | Oncidium Charlesworthii (1908) × Oncidium Cooksoniae (1909) |
| Oncidium Yvonne | 01 Jan 1925 | Oncidium Cooksoniae (1909) × Oncidium Gorizia |
| Oncidium Oberon (1925) | 01 Jan 1925 | Oncidium Cooksoniae (1909) × Oncidium Titania |
| Oncidium Le Papillon | 01 Jan 1923 | Oncidium Cooksoniae (1909) × Oncidium Lambeauianum |
| Oncidium Vesuvius (1923) | 01 Jan 1923 | Oncidium Cooksoniae (1909) × Oncidium Aglaon |
| Cyrtocidium Witleyense | 01 Jan 1923 | Oncidium Cooksoniae (1909) × Cyrtochilum macranthum |
| Oncidium Ilona | 01 Jan 1923 | Oncidium Cooksoniae (1909) × Oncidium Crispo-Harryanum |
| Oncidium Charm | 01 Jan 1922 | Oncidium Cooksoniae (1909) × Oncidium Waltonense |
| Oncidium Opal | 01 Jan 1922 | Oncidium Cooksoniae (1909) × Oncidium Eximillus |
| Oncidopsis Nora | 01 Aug 1921 | Oncidopsis Harwoodii × Oncidium Cooksoniae (1909) |
| Oncidium Lady Balfour | 01 Jan 1921 | Oncidium Cooksoniae (1909) × Oncidium Hylandianum |
| Oncidium Lakonia | 01 Jan 1921 | Oncidium Cooksoniae (1909) × Oncidium Aireworth |
| Oncidium Selene | 01 Jan 1921 | Oncidium Cooksoniae (1909) × Oncidium Louise |
| Oncidium Valeria | 01 Jan 1921 | Oncidium Cooksoniae (1909) × Oncidium Jasper |
| Oncidium Angela | 01 Jan 1921 | Oncidium Cooksoniae (1909) × Oncidium Doris |
| Oncidium Janet | 01 Jan 1921 | Oncidium Cooksoniae (1909) × Oncidium Wilsonii |
| Oncidium Lady Veitch (1919) | 24 May 1919 | Oncidium Cooksoniae (1909) × Oncidium Mars |
| Oncidium Flambeau | 22 Mar 1919 | Oncidium Cooksoniae (1909) × Oncidium The Duchess |
| Oncidium Dulcies | 01 Feb 1919 | Oncidium Cooksoniae (1909) × Oncidium Illustrissimum |
| Oncidium Zampa | 01 Jan 1919 | Oncidium Cooksoniae (1909) × Oncidium Coronation (1907) |
| Oncidium Thera | 01 Jan 1919 | Oncidium fuscatum × Oncidium Cooksoniae (1909) |
| Oncidium Harlequin (1919) | 01 Jan 1919 | Oncidium Cooksoniae (1909) × Oncidium The Premier |
| Oncidium Ariel (1918) | 13 Apr 1918 | Oncidium Cooksoniae (1909) × Oncidium Crawshayanum |
| Oncidium Sir Douglas Haig | 12 Aug 1916 | Oncidium Cooksoniae (1909) × Oncidium Percultum |
| Oncidium Bellona (1916) | 12 Aug 1916 | Oncidium Cooksoniae (1909) × Oncidium Fascinator |
| Oncidium Connie | 03 Jun 1916 | Oncidium Cooksoniae (1909) × Oncidium Armstrongiae |
| Oncidium Alcantara | 03 Jun 1916 | Oncidium Cooksoniae (1909) × Oncidium Eximium |
| Oncidium Florence | 03 Jun 1916 | Oncidium Cooksoniae (1909) × Oncidium Dora (1910) |
| Oncidium Cookso-Elsie | 01 Jan 1916 | Oncidium Cooksoniae (1909) × Oncidium Elsie |
| Oncidium Dainty | 01 Jan 1916 | Oncidium Cooksoniae (1909) × Oncidium alexandrae |
| Oncidium Red Cross | 28 Aug 1915 | Oncidium Cooksoniae (1909) × Oncidium Ardentissimum |
| Cyrtocidium Ramillies | 01 Jan 1915 | Oncidium Cooksoniae (1909) × Cyrtochilum ramosissimum |
| Oncidium Doris (2) | 07 Feb 1914 | Oncidium Cooksoniae (1909) × Oncidium Amabile |
| Oncidium Vivienne | 07 Feb 1914 | Oncidium Cooksoniae (1909) × Oncidium alexandrae |
| Oncidium Antonio | 01 Jan 1914 | Oncidium Cooksoniae (1909) × Oncidium harryanum |
| Oncidium Venusta | 01 Jan 1913 | Oncidium Cooksoniae (1909) × Oncidium Amabile |
| Oncidium Chanticleer | 01 Jan 1911 | Oncidium Cooksoniae (1909) × Oncidium noezlianum |