Pearl River County Coroner Derek Turnage tells The Sun Herald 61-year-old Victoria Burton-Claycomb was found dead in their home in Carriere on Saturday. Her husband, 73-year-old William Claycomb, died the next day at Forrest General Hospital in Hattiesburg.
Turnage says a family friend went to the home and called 911 about 8:30 p.m. Saturday.
Police have not released any details regarding a motive in the shootings.
William Claycomb was a professor of biochemistry and molecular biology at the LSU Health Sciences Center in New Orleans. Spokeswoman Leslie Capo says Claycomb joined the faculty in 1976.