 Additions to Toorak were undertaken by Richard Gailey in 1915.Toorak was acquired by grazier George Moffatt in 1916, and then in 1929 by John Gibson of the pioneer sugar family.Subsequent owners were Brisbane businessman Patrick Woulfe, prominent grazier, philanthropist and art collector Harold de Vahl Rubin, and pastoralist Sir William Allen in 1963.