Apologies for not following up on this, I haven't been on for a while.
Father: James McMahon born 1840 Lavey, Co. Cavan Ireland.
Mother: Johanna Herlihy born 1839 Banteer, Co. Cork Ireland.
Married: February 1863, Adelaide, SA.
Children: All possibly born, Bourke County, Victoria.
John b.1864, Michael b. 1866, James b. 1867, William Hugh b. 1869, Thomas Christopher b. 1872, Peter b. 1874, Mary Margaret Ang b. 1875 & Arthur Bernard b. 1879.
I also e-mailed the certs to contact at the link above.
Thanks again for all the help.
Noel.