This set is called Little Jay and is a large Premature size and is from Marion Ley's collection of patterns. This is her blog link. http://mariannaslazydaisydays.blogspot.co.uk/
Again another of Marion's designs this time called the All in One Lazy Daisy Premature Baby Top Large Premature size.
And this one is from a designer called angelknits and the design is called Blessings. http://angelknits.co.uk/