Leonard Preston, 90 of Las Vegas, Nevada passed away on May 21, 2017. He was born in Toledo, Oregon to his parents, Virgil and Lois Preston. Leonard as a veteran of WWII and served in the Army Air Corp. He attended Oregon State and received his Bachelor’s Degree in 1950. On June 17, 1949, Leonard married Lucille Keady in Klamath Falls. He was preceded in death by his wife, Lucille; his daughter, Karen Preston Garner and his sister. Leonard is survived by his daughter, Kathy of Las Vegas, NV, his son, Michael of Las Vegas, NV; two grandchildren and one great grandchild. Leonard will be laid to rest with his wife.