Baby girl name options!

With just 4.5 weeks left (or so) my SO and I are really trying to get a name chosen! What do you think? We're not sharing the name before she's born (also why this is anon- just in case) but I thought I'd ask you mamas! 
Dorothy is his grandmothers name- she just passed a few weeks ago and I don't know if it's a little too soon to use that name or not.
Bailey is my mom's middle name and also a pretty strong family name on her side as well. 
Aria and Harper are just our top favorite names! The only reason I wouldn't use Harper as a middle name is that I have a friend that just had a baby and used Harper as a middle name. Is that even something I should worry about?
Thanks! 

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