Andrea Lynn Kelmachter, 61, died March 24 in Branford. She was the wife of Barry L. Kelmachter. She was born in New Haven. In addition to her husband, she is survived by her children, Heather J. (Neil) Salon of Boston, Mass., and Michael Z. (Kai) Kelmachter and his wife Kai Kelmachter of Fairfax, Va.; and her granddaughter.