See also

• Mary ILLINGWORTH's parents: Johnathan ILLINGWORTH (1838-1912) and Emma (Ellen) SYKES (1839-1918)
• Mary ILLINGWORTH's siblings: Joe Sykes ILLINGWORTH (1862- ), Arthur ILLINGWORTH (1864- ), Harry ILLINGWORTH (1866- ), Elizabeth ILLINGWORTH (1869- ), Thomas Sykes ILLINGWORTH (1871- ), Ernest ILLINGWORTH (1873-1954) and Edith ILLINGWORTH (1879- )