Mr Simson is a thoroughbred horse born in Australia in 2003. Race horse Mr Simson is by Masterclass (USA) out of Moaska (AUS) , trained by Michael O'leary. Mr Simson form is available here. Owned by E L MCKEON, MRS E K MCKEON E L C MCKEON, M S R L FITZGERALD, A W S MCKEON, MRS L N MCKEON, M S T J MCKEON..