I would delete :
[name]Imogen[/name] - partly because you already have an I issue and I’m a perfectionist like that, but mainly because I just don’t like this one. That said, stylistically it fits well with your other children’s names, so I don’t think it would be a bad choice for you.
[name]Polly[/name] - I adore this name, but she looks short next to her siblings.
[name]Emmeline[/name] - lovely, but as [name]Emma[/name] and [name]Emily[/name] are so popular, I personally think it wise to avoid all variants.
[name]Scarlett[/name], [name]Amelia[/name], [name]Sophie[/name], [name]Eleanor[/name] - popular (I really like [name]Sophie[/name], though - perhaps as a middle?).
[name]Evelyn[/name] - unfortunately, the -lyn ending currently vogue makes this one feel trendy, rather than the stylish vintage choice it is.
[name]Lydia[/name] - I love, love, love this name, and stylistically it is wonderful with your older children’s names. However, it shares an awful lot of the sounds of [name]Adelaide[/name], which I personally think makes it out of bounds.
[name]Georgia[/name]/[name]Georgina[/name] - to me, these feel a little average next to your other children’s names. However, in general I’m not very fond of J sound names for girls, so my opinion is biased.
You might also want to beware the rising popularity of [name]Matilda[/name], and all [name]El[/name]- names which could affect [name]Eloise[/name].
Your list is now :
[name]Matilda[/name] - like I said, beware the popularity rise. Aside from that, a lovely name which fits well with her older siblings. You may also like [name]Ottilie[/name].
[name]Pollyanna[/name] - perhaps a little storybook, but I adore [name]Pollyanna[/name] (and two great nicknames, [name]Polly[/name] and [name]Anna[/name]/ie!) and feel she compliments your other children’s names perfectly.
[name]Eloise[/name] - I’m cautious about repeating an initial, but this is a lovely name.
[name]Juliet[/name] - perfection.
[name]Victoria[/name] - a classic, and very nice with your other children’s names.
[name]Stella[/name] - I personally don’t think it quite comparest to [name]Adelaide[/name], but I left it on the list as I couldn’t really pinpoint way - perhaps it just seems very straightforward?
[name]Philippa[/name] - for the full name I’m not such a fan, but if you plan to nn her [name]Pippa[/name] then that changes things - [name]Adelaide[/name] and [name]Pippa[/name] would be perfect sisters!
[name]Genevieve[/name] - very nice with your other children’s names.
My favourites :
[name]Edward[/name], [name]Adelaide[/name], [name]Isaac[/name] and [name]Pollyanna[/name].
[name]Edward[/name], [name]Adelaide[/name], [name]Isaac[/name] and [name]Juliet[/name].
[name]Edward[/name], [name]Adelaide[/name], [name]Isaac[/name] and [name]Victoria[/name].
(And [name]Edward[/name], [name]Adelaide[/name], [name]Isaac[/name] and [name]Pippa[/name].)
Good luck! [name]Auburn[/name]