1 looks like a Belgian booted variety, possible a porcelain d'uccle, I would need to see a better picture though, preferably from the front
2 is a golden Sebright
3 is a silver duckwing oegb
4 looks to be a Mille fleur d'uccle but I would like to see a picture of her from the front as well to be certain
#1: Porcelain Belgian Bearded D'Uccle #2: Golden Sebright. #3: Silver Duckwing Old English Game Bantam #4: Mille Fleur Belgian Bearded D'Uccle
Just a note: Your Sebright is not show-quality; it will get disqualified when shown. Sebrights should be hen-feathered. This means that the males shouldn't have pointed sickle, hackle, and back feathers like other roosters. Instead, they will have the rounded feathers of a hen. When showing chickens, male feathering in a hen-feathered breed is a disqualification
Your other chickens, from what I can tell, have no disqualifications. But they too are not that great of show-birds.
#1 is a Porcelain Belgian Bearded D'Uccle
#2 is a pet quality Golden Sebright. He will likely get disqualified at a show, as he has sickle feathers in his tail. Sebrights are supposed to be hen feathered (that means no hackles or sickle feathers in the male).
#3 is a Silver Duckwing Old English Game Bantam. How old is he? As a heads-up, if he's over a year of age (so, a cock), he'd get disqualified at a real show. Cock OEGB are supposed to be dubbed. This means that their comb, wattles, and earlobes are cut off.
#4 is a Millie Fleur Belgian Bearded D'Uccle
As for how I will show them our fair doesn't require us to know the breed of the chicken but you get extra points if you do.
As for why I am showing them without knowing what breed they are is because last year I was showing regular size chickens and I was having problems showing them. so this year I wanted to show bantams and TSC had mixed bantams for a good price so I got 6 of them.