Which is your favorite out of these, if any?
[name]How[/name] do you think they sound with big sisters name, [name]Elena[/name]?
[name]Elodie[/name] and [name]Elora[/name] are new loves for me. I’ve began to like [name]Clara[/name] and [name]Alice[/name] again too.
[name]Hannah[/name] is my moms name and my sisters name. My sister passed away last year and I’d like to honor her, but I’m not sure if there’ll be too many [name]Hannah[/name]'s in the family if so?
My second option for that is [name]Esme[/name]. [name]May[/name] is my sisters middle name. I’d pn [name]Esme[/name] like Ez-may. Would that be too much of a stretch?
Any possible middle names?
Thanks so much, any thoughts or opinions are very much appreciated! 
[name]Elora[/name] and [name]Alice[/name] are two of my favorite names. 
While I usually like [name]Elodie[/name], I don’t like [name]Elodie[/name] and [name]Esme[/name] with [name]Elena[/name] (yay for Elenas! That makes the second person I’ve met with that name)
I like that you want to use [name]Hannah[/name] after your family, but worried about too many? What about [name]Anna[/name] then? [name]Elena[/name] and [name]Anna[/name]?
It’s hard to suggest middle names for me, without knowing your “middle name style” and your last name initial at least, but these are some of my picks:
[name]Alice[/name] [name]Anna[/name] (if you like alliteration, and as a variant of [name]Hannah[/name] in honor of your sister)
[name]Alice[/name] [name]May[/name]
[name]Alice[/name] [name]Penelope[/name]
[name]Elora[/name] [name]May[/name]
[name]Elora[/name] [name]Catherine[/name]
You have a great list of name.
I think my favorites to go with [name]Elena[/name] are [name]Elodie[/name] (a personal favorite), [name]Alice[/name], and [name]Clara[/name].
I think [name]Elora[/name], while pretty is a little too close in sound to [name]Elena[/name].
[name]Elodie[/name] and [name]Esme[/name] have quite a different sound than [name]Elena[/name] so I think they work okay. Although their French-ness gives them a different quality than [name]Elena[/name]. Being more common names, [name]Alice[/name] and [name]Clara[/name] may be safer picks as far as matching w/ [name]Elena[/name].
I like [name]Hannah[/name] too, but not so much in a sibset with [name]Elena[/name].
I have a [name]Clara[/name] so it is my favorite from your list! [name]Alice[/name] was on my list too.
What about making a portmanteu of [name]May[/name] and [name]Hannah[/name], like [name]Anya[/name]?
[name]Elodie[/name] [name]May[/name] would be beautiful and sounds nice with the sister’s name.