8 weeks until baby girl #3 is here and still stuck on a name! [name_f]My[/name_f] SO has suddenly come up with some names he likes and now I’m confused! Which name do you think goes best with older siblings [name_u]Harper[/name_u] & [name_u]Piper[/name_u]?
[name_u]Harper[/name_u], [name_u]Piper[/name_u] & …
[name_u]Juniper[/name_u]
[name_u]Winter[/name_u]
[name_f]Aurora[/name_f]
[name_f]Lyra[/name_f]
[name_f]Luna[/name_f]
[name_f]Aoife[/name_f] (my SO is half Irish)
Thanks so much 
Firstly congratulations not long to go eek exciting 
[name_f]My[/name_f] favourite is definitely [name_u]Winter[/name_u] 
I have campaigned for [name_u]Winter[/name_u] for you every time you ask a question about which name to go for honestly I absolutely adore [name_u]Winter[/name_u]. [name_u]Winter[/name_u] is in keeping with [name_u]Harper[/name_u] & [name_u]Piper[/name_u] as she shares that ‘er’ ending and looks visually wonderful in your sibling set. [name_u]Winter[/name_u] is sparkly, vibrant and has gorgeous imagery attached. Also your baby is due in [name_u]February[/name_u] (winter is the season in most places) so in a nutshell that’s another season why [name_u]Winter[/name_u] is perfect.
Middle name wise I love [name_u]Winter[/name_u] [name_f]Aurora[/name_f] or [name_u]Winter[/name_u] [name_f]Lyra[/name_f].
Good luck 
I love love love [name_u]Juniper[/name_u]! I think [name_u]Juniper[/name_u] [name_f]Aoife[/name_f] sounds beautiful as well!
Unless your older two are twins (in which I think all your suggestions are feasible), I’d suggest [name_u]Juniper[/name_u] or [name_u]Winter[/name_u]
[name_u]Juniper[/name_u] or [name_u]Winter[/name_u] go best. I prefer [name_u]Juniper[/name_u] though and I like the P theme with siblings names. All the best!
[name_u]Winter[/name_u]! Keeps with the er ending without being too similar to piper. [name_u]Juniper[/name_u] and [name_u]Piper[/name_u] would match the last four letters
[name_u]Winter[/name_u]! Although I love [name_u]Juniper[/name_u] too!
I like [name_u]Juniper[/name_u] and [name_u]Winter[/name_u] the best! [name_u]Love[/name_u] the nickname potential for each one as well 
[name_u]Juniper[/name_u] or [name_f]Lyra[/name_f]!
Winter Aurora would be stunning
I think [name_f]Aurora[/name_f], [name_u]Juniper[/name_u], and [name_f]Lyra[/name_f] all work well with the older sisters’ names.
The only ones I don’t think work as well are [name_f]Luna[/name_f] and [name_f]Aoife[/name_f]. [name_u]Juniper[/name_u] is maybe too matchy, but it works. [name_f]Lyra[/name_f] shares the musical connection with the older two.
[name_u]Winter[/name_u] and [name_f]Aurora[/name_f] would be the best match in my opinion. [name_f]Aurora[/name_f] doesn’t share the same ending but it has all of those hard r’s.
definitely winter (and maybe juniper) because it has the matching -er endings of harper and piper, as well as similar vibes.
Lyra! Harp, pipe and lyre it all sounds so musical!
I’d say [name_u]Winter[/name_u] or [name_u]Juniper[/name_u] — of your list, those go best with [name_u]Harper[/name_u] and [name_u]Piper[/name_u].
I love [name_u]Juniper[/name_u], [name_u]Winter[/name_u], [name_f]Lyra[/name_f] and [name_f]Aoife[/name_f] for you!!!
I really like Juniper and Lyra!
[name_f]My[/name_f] favourite for you is [name_u]Juniper[/name_u]
I absolutely love [name_f]Aurora[/name_f] [name_u]Winter[/name_u] for you !!
You have a fantastic list!! I think with Harper & Piper, I really love Winter! 
There’s a subtle theme there that I love. Lyra would definitely be a high contender as well!! Lyra Winter or Winter Lyra sound so lovely.
Juniper would feel like a bit too matchy in my opinion, with the similar “–per” ending. Unless that is your goal!
Other names from your list I absolutely love are Aurora & Luna It just depends which theme you and your husband are most overjoyed by!