Wow, thank you so much for the great response!
Lucy Magdalene, I have to admit, is also the one I lean towards the most.
Lucy Jane has the cute, short, feel to it that would tempt me to say Lucy-Jane constantly like it was a double-first name, so I agree about the length on that one.
I also adore:
Lucy MargaretLucy Bridget (
Bridget's on my PNL, and it has a family connection)
Lucy CarolineLucy Jillian (prefer the spelling
Gillian)
and I like
Lucy Harriet a lot more than I thought I would!