Baby Names?

My name is Cindy and I have a husband named Nick. We have 2 dogs a black lab named Molly and a yellow lab named Lily and a daughter who is 2 her name is Allison Rose Hall( nickname -Ally). I am 8 months pregnet and am having a another little girl. We are thinking of the Name Leah , or Emily . Do you like ethier of those names? Or we need some more names we wont it to sound good with Ally Molly and Lily. Also we need middle names . HELP !!!