Hi Roger,
Ah....that skeleton is out of the closet now!! Yes, John & Mary Magdaline married in 1905. Her father Thomas signed consent on the certificate as she was only 20. Unusual marriage though and 37 years difference in age. Lore has it that it tore the family apart - some for, some against the marriage. On Thomas McCabe's death certificate there is no mention of his daughter Mary Magdaline. Obviously Thomas' son (and Mary Magdaline's brother) Robert (the informant) was one of the ones against as he would have supplied his siblings names for the death registration.
There was one child (our line). Mary Ellen McCabe (known as Nell) was born in Marrickville in 1907. She married Augustus Allan Hardie (a Urunga boy) in 1923. Mary Ellen died in 1992 and was buried in Mullumbimby, however there is no marker on the grave. I know of one photo of mother and daughter (Mary M & Mary E) together and I have a later photo of Mary Ellen as well. PM me your email if you'd like copies.
Jeff