Hi Mary.

It seemed in another message that you listed the parents of Ambrose as being Patrick and Eva. If that is so, looks like these records might match:

Name: Ambrose J Carlon
Birth Date: 1883
Father's Name: Patrick Carlon
Mother's Name: Eva B
Birth Place: New South Wales
Registration Year: 1883
Registration Place: Picton, New South Wales
Registration number: 13925

Name: Ambrose J Carlon
Spouse Name: Ada M Purcell
Marriage Date: 1933
Marriage Place: New South Wales
Registration Place: Burrowa, New South Wales
Registration Year: 1933
Registration number: 1725

Name: Ambrose Joseph Carlon
Death Date: 1942
Death Place: New South Wales
Father's Name: Patrick
Mother's Name: Eva
Registration Year: 1942
Registration Place: Petersham, New South Wales
Registration number: 29383

Does any of this match what you know?