When William Grant Covert was born on 18 January 1869, in Unionville, Putnam, Missouri, United States, his father, John Porter Covert, was 32 and his mother, Mary Jane Beam, was 24. He married Aarena Lavina Ashburn on 24 May 1892, in Garnett, Anderson, Kansas, United States. They were the parents of at least 1 son and 6 daughters. He lived in Missouri, United States in 1870 and Lincoln Township, Putnam, Missouri, United States in 1880. He died on 15 April 1938, in Hiawatha, Brown, Kansas, United States, at the age of 69, and was buried in Mount Hope Cemetery, Hiawatha, Brown, Kansas, United States.