Irish Oaks
Olwyn (1974 – after 1990) was a British Thoroughbred racehorse and broodmare best known for her win in the 1977 Irish Oaks. A daughter of The Derby winner Relko she won once from twelve races in 1976 and 1977. She finished no better than third in four starts as a two-year-old, but showed promising form in the spring of 1977, finishing second in the Pretty Polly Stakes and the Lancashire Oaks. After failing to win in her first nine races she recorded her first and only victory when narrowly winning a poorly contested Irish Oaks in July 1977. She was well beaten in two subsequent races and retired at the end of the year. She made little impression as a broodmare.