Hello Kerri
Here are the records for Sisman and Sissman
Digger - QLD 1890-1914 Federation Index
Surname : Sisman Given Names : Dorothy May Event : B Father-Spouse Surname : David Arthur Mother-Spouse Given Names : Pearl Agnes Ivy Loughnan Date : 1902-12-25 Reference : 1903009887
Surname : Sisman Given Names : Edith May Event : B Father-Spouse Surname : Harry Mother-Spouse Given Names : Elizabeth May Wheeler Date : 1905-05-15 Reference : 1905011048
Surname : Sisman Given Names : Elizabeth May Event : D Father-Spouse Surname : Peter Wheeler Mother-Spouse Given Names : Elizabeth Connor Date : 1911-05-15 Reference : 1911003423
Surname : Sisman Given Names : Frederick Event : B Father-Spouse Surname : Mother-Spouse Given Names : Sarah Sisman Date : 1901-03-29 Reference : 1901010206
Surname : Sisman Given Names : Harry Event : D Father-Spouse Surname : William Sisman Mother-Spouse Given Names : Mary Ann Wheatley Date : 1907-01-01 Reference : 1907003661
Surname : Sisman Given Names : Mary Ann Event : B Father-Spouse Surname : William Mother-Spouse Given Names : Mary Ann Wheatley Date : 1892-09-25 Reference : 1892010750
Surname : Sisman Given Names : Mary Magdalene Event : B Father-Spouse Surname : Harry Mother-Spouse Given Names : Elizabeth May Wheeler Date : 1907-02-27 Reference : 1907010178
Surname : Sisman Given Names : May Event : B Father-Spouse Surname : William Mother-Spouse Given Names : Mary Ann Wheatley Date : 1897-05-28 Reference : 1897009916
Surname : Sisman Given Names : Pearl Agnes Event : B Father-Spouse Surname : David Arthur Mother-Spouse Given Names : Pearl Agnes Ivy Loughran Date : 1909-09-28 Reference : 1909008840
Surname : Sisman Given Names : Violet Lillian Event : B Father-Spouse Surname : David Arthur Mother-Spouse Given Names : Pearl Agnes Ivy Loughran Date : 1900-09-13 Reference : 1900010456
Surname : Sisman Given Names : William John Event : B Father-Spouse Surname : Harry Mother-Spouse Given Names : May Wheeler Date : 1903-08-17 Reference : 1903010651
Surname : Sisman Given Names : Sarah Event : M Father-Spouse Surname : Conlon Mother-Spouse Given Names : Francis John Patrick Date : 1913-04-17 Reference : 1913002865
Surname : Sissman Given Names : Alice Maud Event : M Father-Spouse Surname : Stewart Mother-Spouse Given Names : Edward George Date : 1901-03-02 Reference : 1901-B000897