Born in Pomona California to Bertha and Bennie Brown and graduated from Pomona High School. Leo married Barby Matthews in 1956 and they had two children, Linda Tully (Jim) and Ben Brown (Rene), two grandchildren, Mallory (Jake) and Kyle, and two great-grandchildren, Zeke and Scarlet Rose. Leo is also survived by his sisters Judy Brown Curtis and Susie Brown Buchanan.
Leo lived most of his life in Pomona and Ontario, and after retiring from the City of Pomona Water Department, he and Barby moved to Boise, Idaho.
Leo loved drag racing, and perfecting his dragster was a big part of his life. He and Barby, along with friends, took many trips to Bonneville. They also took many road trips around the country in their retirement years.