I’m sorry that this has been such a drawn-out struggle for you two, but the good news is that you still have a lovely list.
If the main concern is to avoid a headache for the child, I would steer clear of two middle names. I think that does end up being a bit of a hassle here, at least for my best friend who has two middles.
As for the names themselves, these are my thoughts:
[name_f]Miriam[/name_f] - I love [name_f]Miriam[/name_f], and I love this option for you. [name_f]Miriam[/name_f] does have multiple spellings, but I think almost everyone in the U.S. will intuitively go for [name_f]Miriam[/name_f] over a variation like [name_f]Maryam[/name_f]. [name_f]Miriam[/name_f] seems like a straightforward name that won’t cause much trouble. I also love [name_f]Maisie[/name_f], and it doesn’t make a ton of sense for [name_f]Miriam[/name_f], but then, it doesn’t for [name_f]Margaret[/name_f], either.
[name_f]Emmeline[/name_f] - I know this one is your favorites, but I’m inclined to agree with your husband. I’m never quite sure how to pronounce [name_f]Emmeline[/name_f]. I do really like [name_f]Emme[/name_f] and [name_f]Emmy[/name_f], but this isn’t my favorite way to get there. If you are using the “Emm-ih-lynn” pronunciation, I think many Americans will misspell it, as well.
[name_f]Marjorie[/name_f] - [name_f]Marjorie[/name_f] is kind of cool, but it’s not as nice as [name_f]Miriam[/name_f] and more likely to be misspelled, I think.
[name_f]Rosalind[/name_f] - The difference between [name_f]Rose[/name_f]-uh-lind and [name_f]Roz[/name_f]-uh-lind is slight to me. I like this name a lot, and [name_f]Rosie[/name_f] is so sweet. Again, I can see American parents misspelling it by writing [name_f]Rosalyn[/name_f]. In terms of my preference for the name and the level of hassle, I would put this with [name_f]Miriam[/name_f].
[name_f]Primrose[/name_f] - Choosing something you both love is a win, not a compromise. [name_f]Primrose[/name_f] also has the added benefit of the [name_f]Rosie[/name_f] nickname from [name_f]Rosalind[/name_f], if you’d like. This has always been my top choice for you, and probably still is.
[name_f]Louisa[/name_f] - Nope. I don’t love this with your other boys, and I think you have much better options on the table.
[name_f]Clementine[/name_f] - I like [name_f]Clementine[/name_f] a lot, and, being a word name, you wouldn’t have to worry about misspellings or mispronunciations. I think [name_f]Clementine[/name_f] nn [name_f]Emme[/name_f] is fairly intutive, since it’s only one step off from the most intuitive [name_u]Clem[/name_u]. Does your husband like [name_f]Emme[/name_f] at all? If so, this seems like a more hassle-free route than [name_f]Emmeline[/name_f].
Good luck choosing!! Whatever you decide, I know it will be lovely.