Wilhelmine Auguste Charlotte Rader was born on 29 January 1854, in Klockow, Prenzlau, Brandenburg, Prussia, Germany. She married Christian Friedrich Wilhelm Marks on 13 February 1872, in Queensland, Australia. They were the parents of at least 5 sons. She died on 9 September 1944, in Alberton, Queensland, Australia, at the age of 90.
German (also Räder): occupational name for a wheelwright, from an agent derivative of Middle High German rat ‘wheel’.
German (Räder): metonymic occupational name for a flour sifter or mill hand, from Middle High German reder ‘sieve’.
German: occasionally an occupational name from Middle Low German rader ‘adviser’.