Frank was born in Fitzgerald, GA to Harry and Anna C. Sligh. Frank retired from the Air Force as a Chief Master Sergeant in 1972 and from teaching in the East Central ISD in 1987.
He served his community as Secretary/Treasurer of Salem Cemetery Assn. for 12 years.
He was an inactive deacon at Baptist Temple and lifelong member of Brahan Masonic Lodge No. 226 A.F. & A.M.
Frank is survived by his wife of 52 years, Patsy Engle Sligh; children and spouses, Melodye and Bernard Pieniazek, David and Rynda Sligh and Laura and Donald Aten; grandchildren, Megan and Stephen Dove, Erik Pieniazek, Spencer and Matthew Sligh, Kate and Kris Aten.