We’re not pregnant yet, just thinking ahead.
So far we like:
[name]Sophia[/name]
[name]Phoebe[/name]
[name]Leah[/name]
[name]Allie[/name]
[name]Georgina[/name] (nn would probably be [name]Gina[/name])
[name]Francesca[/name] (not sure about the nn for this, I’m not keen on [name]Fran[/name])
[name]Scarlett[/name]
[name]Summer[/name]
Opinions on these please, and which go best with [name]Molly[/name]? Any other suggestions?
Thank you
[name]Molly[/name] [name]Elizabeth[/name] is adorable !
[name]Sophia[/name] :too popular but if it doesnt bother you it goes well with [name]Molly[/name]
[name]Phoebe[/name] :this name is cute and spunky .perfect match for [name]Molly[/name] imo
[name]Leah[/name] :i never like this name sorry
[name]Allie[/name] :too nn.maybe [name]Alice[/name] or [name]Alexandra[/name]
[name]Georgina[/name] :okay name but i prefer [name]Georgiana[/name] .iamnt keen on [name]Gina[/name] either
[name]Francesca[/name] :gorgeous name .i dont like [name]Fran[/name] either but [name]Frankie[/name] is adorable
[name]Scarlett[/name] :beautiful name and goes with [name]Molly[/name]
[name]Summer[/name] :okay name but i prefer [name]Winter[/name] and [name]Autumn[/name]
The ones that go better with [name]Molly[/name] are :
[name]Phoebe[/name]
[name]Francesca[/name]
[name]Scarlett[/name]
some others options
[name]Olivia[/name]
[name]Stella[/name]
[name]Lucy[/name]
[name]Madeline[/name]
[name]Lilian[/name]
[name]Lorelei[/name]
[name]Cecily[/name]
[name]Cecilia[/name]
[name]Eloise[/name]
[name]Juliet[/name]
[name]Kate[/name]
[name]Rose[/name]
[name]Violet[/name]
[name]Clara[/name]
[name]Anna[/name]
Out of your options I think [name]Phoebe[/name], [name]Sophia[/name] or [name]Scarlett[/name] works the best.
Your names are nice, however, here are a few of my comments
[name]Sophia[/name] - [name]Way[/name] to popular. To use this you should try to find your own cute family nn or she will be turning her head constantly at others calling this name.
[name]Phoebe[/name] - Cute, but also getting popular. This name also gets quite a ditzy reputation.
[name]Leah[/name] - Beautiful, classic and traditional. I love this name especially for a fn.
[name]Allie[/name] - This is cute, but she will constantly have people asking her what her full name is…[name]Allison[/name], [name]Allysa[/name], [name]Alicia[/name] etc… (most Teachers will think [name]Allie[/name] is a nn)
[name]Georgina[/name] (nn would probably be [name]Gina[/name]) - I really like this a lot! [name]Love[/name] [name]Georgie[/name] too for a nn.
[name]Francesca[/name] (not sure about the nn for this, I’m not keen on [name]Fran[/name]) - This is quite an ethnic name. Are you Italian, Hispanic? I agree, that [name]Fran[/name] is a little old school. I would go more with the more feminine [name]Francine[/name] with nn’s [name]Cece[/name] or Cici, [name]Frankie[/name] or Frenchie (there is a little girl in my neighborhood they call Frenchie and she’s such a doll) are all very cute!
[name]Scarlett[/name] - Beautiful! I love [name]Scarlett[/name], but don’t like the nn Scar. Maybe [name]Lettie[/name] if you use a nn with this.
[name]Summer[/name] - Also, Beautiful! This is such a bright name and the nn [name]Sunny[/name] could easily be used. 
Good [name]Luck[/name] with your list!
I’m a sucker for the name [name]Georgina[/name], but I don’t love [name]Gina[/name]. Have you thought about the nn [name]Gigi[/name]? I think [name]Molly[/name] and [name]Gigi[/name] would be adorable together.
Beyond that I think [name]Scarlett[/name], [name]Sophia[/name] and phoebe are great choices.
[name]Sophia[/name] - a little too popular right now. I know no less than ten Sophias, plus I’m not sure it blends with [name]Molly[/name]. [name]Sophie[/name] is equally popular, but goes better.
[name]Phoebe[/name] - also extremely popular. I’m not really a fan of this name.
[name]Leah[/name] - Cute! I prefer the [name]Lea[/name] spelling. There’s not much flair in the name, though…it’s a little bland. I’d maybe save this for a middle.
[name]Allie[/name] - Also nice, but as a nickname for something. [name]Alice[/name]? [name]Alexandra[/name]/[name]Alexandria[/name]? [name]Allison[/name]? [name]Alice[/name]? [name]Alaina[/name]? I know an [name]Allegra[/name] nn [name]Allie[/name], maybe?
[name]Georgina[/name] (nn would probably be [name]Gina[/name]) - [name]Georgina[/name]'s nice, but I dislike [name]Gina[/name]. [name]Georgie[/name] is so much nicer, plus there’s the Chronicles of [name]Narnia[/name] connection. I prefer [name]Georgia[/name], as well.
[name]Francesca[/name] (not sure about the nn for this, I’m not keen on [name]Fran[/name]) - [name]Francesca[/name] only paves the way for icky nicknames like [name]Fran[/name], [name]Franny[/name] or [name]Frankie[/name], something that’s put me off from [name]Francesca[/name] for ages.
[name]Scarlett[/name] - This one’s pretty and works well with [name]Molly[/name]. I’d use the [name]Scarlette[/name] spelling to soften it up a little, since [name]Molly[/name]'s name is so feminine.
[name]Summer[/name] - Another lovely one.
My favorites off of your list (some with adaptions) are [name]Georgia[/name], [name]Scarlett[/name] and [name]Summer[/name].
Other ideas:
[name]Daphne[/name]
[name]Sadey[/name]/[name]Sadie[/name]
[name]Lucy[/name]
[name]Amelia[/name] nn [name]Amy[/name]
[name]Josephine[/name] nn [name]Josie[/name]
[name]Stella[/name]
[name]Clare[/name]/[name]Clara[/name]
[name]Gabrielle[/name]/[name]Gabriella[/name]
[name]Caroline[/name]/[name]Carolina[/name] (possible nn [name]Carrie[/name], or even [name]Lina[/name])
[name]Lola[/name]
[name]Tallulah[/name]
[name]Elsa[/name]
[name]Charlotte[/name]
[name]Mariette[/name]
[name]Madeline[/name]
[name]Cordelia[/name] nn [name]Delia[/name]
[name]Susannah[/name]
[name]Arabella[/name]
[name]Lucille[/name]
[name]Julia[/name]
[name]Ella[/name]
[name]Rachel[/name]
[name]August[/name]
[name]April[/name]
[name]Calliope[/name] nn [name]Callie[/name]
[name]Anette[/name]
[name]Elise[/name]
[name]Wendy[/name]
[name]Jane[/name]
[name]Katherine[/name] nn [name]Kate[/name]
[name]Cassandra[/name] nn [name]Cassie[/name]
[name]Chloe[/name]
[name]Ophelia[/name]
[name]Eleanor[/name]
[name]Calla[/name] (with mn [name]Lily[/name], perhaps?)
[name]Selena[/name]
[name]Dorothy[/name] nn [name]Dot[/name], [name]Dottie[/name]
[name]Lila[/name]
[name]Imogen[/name]
[name]Annika[/name]
[name]Joanna[/name]
[name]Vivian[/name]
[name]Miranda[/name]