For the information of anyone interested .. or with further information.
My mother was Roma Alberta Tilburn (Williams), born Melbourne, Australia, 1915, died Melbourne 1986, daughter of Albert Edward Tilburn, died 1964, aged 84, of Leongatha, Victoria, Australia, and Mabel (May) Elizabeth Tilburn (nee Jackson), died 1971. My mother's sister was Thelma Alice Tilburn (Wilson), died Hobart, Tasmania, early 1980s. A brother, Edward, died at birth (date unknown).
ramsaywilliams@bigpond.com