Kym Ellen Agnes Green d 20 Jun 1930 ref B011314, f. Patrick Downey, m. Margaret Ring. Her children would be listed on her death certificate. The Qld. birth indexes are only available to 1918.Percival Theodore Green marr. Ellen Agnes Downey, 1 Sep 1915, ref - 1915/002415. He remarried 23 Dec 1939 to Grace Angus, ref 1939/B037675. If you don't want to purchase the death certificate, you could check the Brisbane 'Courier-Mail' around her death date for her Funeral Notice.