Hi Bernie,

The only Duncan i can find having the name Fergus is a Ferguson Duncan who married a Jane Russell in Parramatta in 1863 number 2589/1863
But i did find this one in Victoria...

Surname: DUNCAN
Given Names: Edward James
Event: B
Spouse Surname/Father: Fergus
Spouse Gvn Names/Mother: Mary Jane MCCONVILLE
Age:
Sex:
Birth Place: DONA
Death Place:
Year: 1876
Reg Number: 22431
Denomination:
Parish:
Fiche:

I'll keep looking.