sister of Margaret Calander Sinclair, the first wife of Archie Halliday; Helen married Archie in 1938 after her sister Margaret died

youngest son of William and Mary Halliday; a babe in arms in 1885 when the family arrived on the mainland from the Falkland Islands; married (1) Margaret Calander Sinclair 1916; m. (2) Helen "Tillie" Sinclair 1938 (both born in the F.Is.); died 1943; Estancia Cañadón del Rancho