First thing that came to mind was Eliza Jane/Jayne.
That has been the middle name we have been thinking of most of the time. I think there have been some famous Eliza Jane's (books or musicals)

What other girls names have you got?
Um, struggling with that one! Even went through the grandparents looking for inspiration- nothing.

I love Lachlan James and Jesse James. Both lovely for a boy.
I much prefer James to John, but DH now prefers John (boring!) Does anyone think of the US outlaw when you hear Jesse James ?