Katie Jill O'Brien is a British former professional tennis player from Beverley, Yorkshire. She was briefly the British No. 1 tennis player. She reached her career-high singles ranking of World No.84 on 1 February 2010 and won four ITF singles titles and two ITF doubles titles. In 2007 she reached the second round of her home Grand Slam, Wimbledon, by beating Sandra Kl�sel in round one. She lost to the No.31 seed, Micha�lla Krajicek, in the second round. In 2010 she replicated this achievement by beating Patricia Mayr to reach the second round of the Australian Open where she fell to 8th seeded Jelena Jankovi?. 

May 2nd, 1986 in Beverley (Age 38)