You have an excellent site to get in contact with breeders/sellers!
https://www.irishfowl.com/irish-poultry-breeders.php
https://www.irishfowl.com/search.php?q=Bantams&x=0&y=0
https://www.irishfowl.com/irish-poultry-breeders.php
https://www.irishfowl.com/search.php?q=Bantams&x=0&y=0