What is mary ray?

As an AI language model, I don't have access to information about every person named Mary Ray, as there may be multiple individuals with this name. However, some possible people named Mary Ray include:

• Mary Ray (born 1957), a British dog trainer and canine freestyle dancer. Ray has won multiple championships in canine freestyle, a sport that involves training dogs to perform dance routines with their handlers. She has also written several books on dog training and behaviour.
• Mary Elizabeth Ray (1926-1998), an American woman who was the subject of a famous case of multiple personality disorder. Ray claimed to have over 20 different personalities, and her case became widely publicised in the 1970s and 1980s. Some experts have since challenged the validity of Ray's diagnosis and treatment.
• Mary Ray Worley, an American woman who was one of the survivors of the Virginia Tech shooting in 2007. Worley was shot four times by the attacker while barricaded in a classroom with other students and faculty. Since the shooting, Worley has been an advocate for gun control and mental health awareness.