Hi Scallywag,
I checked out this lady, but I don't think she is your, Mary Ann HARRIS.
Name: Mary Harris
Spouse Name: Thomas Wakeham
Marriage Date: 1882
Marriage Place: New South Wales
Registration Place: Woollahra, New South Wales
Registration Year: 1882
Registration Number: 2769
Her death in the SMH, 18 Aug 1928.
15165/1928 WAKEHAM MARY JOSEPH 67 YRS HORNSBY HORNSBY
Her birth registration in 1861...
2674/1861 HARRIS MARY JOSEPH MARY NEWTOWN
Mary