Ok Maggie,
I cannot find a VIC marriage as yet but some other children.

Digger - Edwardian Index. Victoria 1902-1913


Query
-----
Surname : m*uigan (58 matches)
Event : b (390142 matches)
Spouse Gvn Names/Mot : warren (486 matches)

Total matching records: 3
--------------------

Surname: MCGUIGAN
Given Names: Jno Robinson
Event: B
Sex: M
Spouse Surname/Father: Wm
Spouse Gvn Names/Mother: Margt WARREN
Age:
Age Code:
Birth Place: NEWPORT
Death Place:
Year: 1911
Reg. Number: 22494


Surname: MCGUIGAN
Given Names: Robt
Event: B
Sex: M
Spouse Surname/Father: Wm
Spouse Gvn Names/Mother: Margt WARREN
Age:
Age Code:
Birth Place: PORT MELBOURNE
Death Place:
Year: 1909
Reg. Number: 13715
((Robert died 1910 aged 1 year))

Possible
Digger - Great War Index. Victoria 1914-1920


Query
-----
Surname : m*uigan (30 matches)
Spouse Gvn Names/Mot : warren (317 matches)

Total matching records: 1
--------------------

Surname: MCGUIGAN
Given Names: Robert
Event: B
Sex:
Spouse Surname/Father:
Spouse Gvn Names/Mother: Margt Warren MCGUIGAN
Age:
Age Code:
Birth Place: CARL C
Death Place:
Year: 1919
Reg. Number: 17560

I'll check other CD for marriages
Kellie