See also

• William COTTRELL's parents: Alfred COTTRELL (1844-1889) and Hannah LANCASTER (1845- )
• William COTTRELL's siblings: Joel COTTRELL (1865- ), John COTTRELL (1867- ), Albert COTTRELL (1871- ), Frank COTTRELL (1873-1927), Frances COTTRELL (1877- ), Alice COTTRELL (1880- ) and Gertrude COTTRELL (1882- )