John LeRoy Moore was the son of John (see Bethel Cemetery in Dubuque County, Iowa) and Lettie (Embler) Moore (buried next to John L. Moore in Lowman) born in Montgomery, Orange, New York. He came to Iowa with his family in 1854. He and his brother James Henry Moore (Hillside Cemetery in Elliot, Montgomery,Iowa) were some of the first people to settle in Elliot, Iowa (1868).