MOUNT AIRY, N.C.—Betty Lynn, the film and television actress who was best known for her role as Barney Fife’s sweetheart Thelma Lou on “The Andy Griffith Show,” has died. She was 95. Lynn died peacefully Saturday after a brief illness, The Andy Griffith Museum in Mount Airy, North Carolina, announced in a statement. Lynn appeared as Thelma Lou on the show from 1961 until 1966. She reprised her role in the made-for-TV movie “Return to Mayberry,” in which Thelma Lou and Barney got married. Born Elizabeth Ann Theresa Lynn on Aug. 29, 1926 in Kansas City, Missouri, Lynn began studying dance and acting at a young age. In 1944, she started performing as a part of USO Camp Shows. Lynn took her talents overseas, performing in the USO for servicemembers during World War II. She was “thought to be the only American woman to have traveled the dangerous Burma Road …