Ellen is the daughter of Matilda Henthorn Hines Beauchamp and Nelson Hines. Her mother, Matilda, was either still pregnant or Ellen was just an infant when the death of her biological father occurred. She was raised by David Beauchamp, her mother's second husband.
Ellen first married Norman Skinner, Jr. Together they had two children: Myrta Ellen and James William. Norman died in 1889 and Ellen married Frank Weir in 1895.