I don't see any Jersey Giants pictured. And the birds pictured look more like they are at least 4 months of age. I see one Splash Orpington pullet. The one you are calling an English Orpington is a mixed breed (feathers on the legs) and has very obvious male specific feathering, indicating he is...
The first photo shows an Easter Egger cockerel and a Silver Leghorn pullet. The second pic is an Easter Egger pullet. The third is a Cream Legbar cockerel. Last looks like a Japanese bantam cockerel.
No. For sexlinking to work, the barring has to be on the hen's side of the equation, not the rooster's. A barred rooster will pass a copy to all of his offspring, regardless of gender. The lack of the head spot means that the Dominique is not the father of that particular chick.