Rufus Simmonds Mack was born in 1823 (possibly in Plainfield, Vermont) to Daniel Miner Mack and Rebecca Cordelia Ayers. He married Elizabeth Angeline Bates in 1846 and Mary Amelia Basha Richardson in 1887. He served in Vermont Company during the Civil War. He died in 1914 in Goffstown, Hillsborough County, New Hampshire. Burial place in unknown.