Traditional
Still common
Definition
Nickname for Gill or Gillian.
Example Sentence
"Gillo brought fairy bread to the barbie."
Where "Gillo" Comes From
Gill (short for Gillian) takes the familiar "-o" ending — the same formation used across countless Aussie names, regardless of gender.
It shows how consistently the "-o" pattern gets applied once a name has a workable short form to start from.
How Aussies Actually Use It
A friendly, casual nickname for a Gill or Gillian, used by mates and family in the same relaxed way as any other "-o" name on this list.
Nothing formal about it — just an easy, familiar way to address someone you know well.
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