FindMyPast has a passenger record for an Edward Williams, age 45, occupation accountant, address 46 Birch Road, Crumpsall - destination Valparaiso, sailed 5 May 1921 - alone.
The 1901 Census shows Edwardo Williams, accountant clerk, born Chile, with Martha born Membury. Edwardo's YoB not quite 1875 (= 1880)