LEXINGTON – Louise Darr Koontz Gibson, 73, of Peachtree Street, died Wednesday, Jan. 3, 2007, at her home. She was born Sept. 27, 1933, in Davidson County. Service: 2 p.m. Sunday, Second United Church of Christ. Burial: Forest Hill Memorial Park. Visitation: 6-8 p.m. Saturday, Davidson Funeral Home.