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#2 looks to me like a red sex link, which is a mix of (usually) a production red and something like a white rock.
The combs will get big and red before they start laying, so it looks like #3 should not be far behind. #4 is the next most mature, and #1 looks like she has a ways to go.
I can't see #1 really well, if her earlobes are white she is probably a white leghorn.
#3 I have no idea, some sort of mix?
#4 looks like a production red
Those are my guesses anyhow!