He is survived by his wife of 64 years, Frances C. Quaglio of San Antonio; son, Leonard Quaglio, Jr. of San Antonio; grandchildren, Elena Kurtz of Minnesota, Marc Quaglio of California, Lynda Marlow, Gina Quaglio and Donald Quaglio, all of San Antonio; great grandchildren, Khristopher Kurtz, Michael Kurtz, Hannah Quaglio, Rebekah Quaglio, Joshua Quaglio, and Samuel Quaglio.
He was a boating and golfing enthusiast and enjoyed woodworking. He was also an avid gardener.
In lieu of flowers, memorial contributions may be made to the American Lung Association and the American Heart Association.