You're determined to believe you have Giants even though everyone says otherwise. No one is likely going to agree with you.
As I said in my earlier post, it doesn't really matter. No matter what you call them, they are very poor examples of the JG breed. Not a problem if you're just keeping...
The 'breeder' of these birds wasn't breeding very good birds and they weren't breeding to the standard. They probably started with hatchery stock 'Jersey Giants' which, as has been pointed out, could have easily been australorps as hatcheries often send them as giants and vice versa because they...
If you got them from a hatchery they're likely not really representative of either breed. Hatcheries don't breed to the standard. They're just rough likenesses of the breed they are supposed to be. There is a way you're supposed to be able to tell them apart by foot color, but I'm not sure which...