| Cattleya Cowlton | 01 Jan 1970 | Cattleya Cowaniae × Cattleya Madeleine Knowlton |
| Cattleya Cotelle | 01 Jan 1968 | Cattleya Cowaniae × Cattleya Estelle (1931) |
| Cattleya Lloyd Mitchell | 01 Jan 1968 | Cattleya Cowaniae × Cattleya Bob Betts |
| Cattleya Olive Bryon | 01 Jan 1961 | Cattleya Cowaniae × Cattleya Oenone (1893) |
| Cattleya Maria Van Reigersberch | 01 Jan 1955 | Cattleya Idettae × Cattleya Cowaniae |
| Cattleya Cowazon | 01 Jan 1954 | Cattleya Cowaniae × Cattleya Cabazon |
| Cattleya Scintillation | 01 Jan 1954 | Cattleya Bow Bells × Cattleya Cowaniae |
| Cattleya White Magic | 01 Jan 1954 | Cattleya White Belle × Cattleya Cowaniae |
| Cattleya Polarstern | 01 Jan 1954 | Cattleya Souvenir de Louis Sander × Cattleya Cowaniae |
| Rhyncholaeliocattleya Soledad | 01 Jan 1954 | Cattleya Cowaniae × Rhyncholaeliocattleya Momercia |
| Cattleya Coween | 01 Jan 1954 | Cattleya Hertha × Cattleya Cowaniae |
| Cattleya Brisbane | 01 Jan 1954 | Cattleya Cowaniae × Cattleya Nymph (1943) |
| Cattleya Niles | 01 Jan 1954 | Cattleya Cowaniae × Cattleya Atlantis |
| Cattleya White Frill | 01 Jan 1953 | Cattleya Silver Moon × Cattleya Cowaniae |
| Cattleya Crystal Orb | 01 Jan 1953 | Cattleya Cowaniae × Cattleya Ben Nevis (1935) |
| Cattleya Ethel Savage | 01 Jan 1952 | Cattleya Cowaniae × Cattleya White Empress |
| Cattleya Haena | 01 Jan 1951 | Cattleya Triumphans × Cattleya Cowaniae |
| Cattleya Cora B. Creason | 01 Jan 1951 | Cattleya Cowaniae × Cattleya Susan (1923) |
| Cattleya Cowden | 01 Jan 1950 | Cattleya Cowaniae × Cattleya Snowdon |
| Cattleya Breydon | 01 Jan 1950 | Cattleya Cowaniae × Cattleya Mina |
| Cattleya Julio Conceiçao | 01 Jan 1950 | Cattleya intermedia × Cattleya Cowaniae |
| Rhyncholaeliocattleya Ruth Gillmar | 01 Jan 1949 | Rhyncholaelia digbyana × Cattleya Cowaniae |
| Cattleya Nimbus | 01 Jan 1948 | Cattleya Cowaniae × Cattleya Cybele (1902) |
| Cattleya Elaine Shimamoto | 01 Jan 1948 | Cattleya Tene-Alma × Cattleya Cowaniae |
| Cattleya Cobra | 01 Jan 1948 | Cattleya Cowaniae × Cattleya tenebrosa |
| Cattleya Patrice Munsell | 01 Jan 1946 | Cattleya Cowaniae × Cattleya Irene (1914) |
| Cattleya Cowrata | 01 Jan 1945 | Cattleya Cowaniae × Cattleya purpurata |
| Rhyncholaeliocattleya Tavibo | 01 Jan 1945 | Rhyncholaeliocattleya Digbyano-Warneri × Cattleya Cowaniae |
| Cattleya Apalachee | 01 Jan 1944 | Cattleya Cowaniae × Cattleya Nebo |
| Cattleya Yakima | 01 Jan 1944 | Cattleya Cowaniae × Cattleya schroederae |
| Cattleya Memoria Doctor E. Yoshimura | 01 Jan 1941 | Cattleya Luminosa (1901) × Cattleya Cowaniae |
| Cattleya Phoenix (1939) | 01 Jan 1939 | Cattleya Cowaniae × Cattleya Harold |
| Cattleya Simplicity (1937) | 01 Jan 1937 | Cattleya Cowaniae × Cattleya Vishnu |
| Cattleya Bobbie Jewell | 01 Jan 1937 | Cattleya Alcimeda × Cattleya Cowaniae |
| Rhyncholaeliocattleya Cowaniette | 01 Jan 1935 | Rhyncholaeliocattleya Juliettae × Cattleya Cowaniae |
| Rhyncholaeliocattleya Arcadian | 01 Jan 1932 | Cattleya Cowaniae × Rhyncholaeliocattleya Nanette |
| Laeliocattleya Carmen | 01 Jan 1931 | Laeliocattleya Eunice × Cattleya Cowaniae |
| Cattleya Jean Barrow | 01 Jan 1931 | Cattleya Bronacha × Cattleya Cowaniae |
| Rhyncholaeliocattleya Maud | 01 Jan 1931 | Rhyncholaeliocattleya Gatton Lily × Cattleya Cowaniae |
| Cattleya Estelle (1931) | 01 Jan 1931 | Cattleya Cowaniae × Cattleya Edithiae |
| Cattleya Eucharis | 01 Jan 1931 | Cattleya Cowaniae × Cattleya mossiae |
| Cattleya Mina | 01 Jan 1931 | Cattleya Cowaniae × Cattleya lueddemanniana |
| Cattleya Delicacy | 01 Jan 1927 | Cattleya Cowaniae × Cattleya Undine |
| Cattleya Linda (1923) | 01 Jan 1923 | Cattleya Cowaniae × Cattleya Lady Veitch |
| Cattleya Zeta | 01 Jan 1923 | Cattleya Cowaniae × Cattleya dowiana |
| Cattleya Susan (1923) | 01 Jan 1923 | Cattleya Cowaniae × Cattleya Suzanne Hye |
| Cattleya Snowcap | 01 Jan 1922 | Cattleya Claesiana Alba × Cattleya Cowaniae |