Once you map out a family tree, you become aware of just how quickly a family spreads into numerous streams.

And in a country as large as Australia, the family has spread near and far. To catch up with all branches, you have to visit just about every state, not something most of us have the time or money to do. But, we don't have to leave our screen to get a glimpse of some of the Costello connections in other States.

Why not pay a visit to your cousins by clicking on a picture of....

We have a lot more to put up here of course, and are awaiting your photos and bio's to include.