William Tolliday was the 3rd child of ten born to William and Priscilla Martha Tolliday who lived in Victoria.

His father William was one of the original Tollidays that came to Australia in 1855. This William emigrated with his mother Jane Curtis Tolliday, his two sisters Elizabeth and Christiana, and older brother John.

William married Alice Harris and they had three children.

Edith Elsie born 1/7/1898 in Darnum married Clarence Collings.

Leslie Harris born 1896 and died 1980. He married Mary Stuart in 1916.
They had five children. Margaret, Ian William, William, Beryl and Leslie Harris Stuart.

Eric William born 10/3/1894 and died 19/7/1982. He married Elsie Mavis Balding who was born in 1897.
They had three sons. Neil Robert, Brian William and Alan James.