Betty Kay Holmes, 57, a hairdresser of Great Falls, died on Wednesday, May 9, 2012 at a local care facility of cardiac arrest.A cryptside service will be held at Hillcrest Lawn Memorial Chapel on Monday, May 14, 2012 at 10:00 a.m. Schnider Funeral Home is handling arrangements.Survivors include her sisters, Shirley Clayton and Dorothy Hurley, both of Great Falls.