I think the first is a splash Orpington and the roo is a buff laced Wyandotte but just needed to confirm
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X2 on QueenMisha's post.That is a mixed breed hen.
The next time you have in inquiry like this, please make your own thread and post the images there instead. Having multiple people asking questions on the same thread can make responsing confusing. That said, #1 looks like either a Splash Cochin or Splash Orpington hen (I can't see the feet; if clean, Orp, if feathered, Cochin), #2 is a White Leghorn hen, #3 looks like a (Black) Blue Andalusian hen, and #4 looks a lot like a (Splash) Blue Laced Red Wyandotte cock, although the single comb makes me think he's probably not pure, or he's one of the few hatchery Wyandottes who somehow ends up with a single comb.