[name]Hi[/name]! Congratulations! 
[name]Nora[/name]: I love [name]Nora[/name], and because I love alliteration, I think that [name]Nora[/name] [name]Nelson[/name] is great! 
[name]Nora[/name] [name]Genevieve[/name] [name]Nelson[/name]
[name]Nora[/name] [name]Juliet[/name]/[name]Juliette[/name] [name]Nelson[/name]
[name]Eleanor[/name] (nn [name]Nora[/name]): I love [name]Eleanor[/name], too…I think I love [name]Nora[/name] [name]Nelson[/name] more, though, because the N sounds are further apart from each other than they are in [name]Eleanor[/name] [name]Nelson[/name].
[name]Eleanor[/name] [name]Charlotte[/name]
[name]Eleanor[/name] [name]Daisy[/name]
[name]Eleanor[/name] [name]Kate[/name]
[name]Eleanor[/name] [name]Louise[/name]
[name]Eleanor[/name] [name]Maeve[/name]
[name]Margaret[/name]: I love [name]Margaret[/name], as well as the potential [name]Margo[/name], [name]Daisy[/name], [name]Maisie[/name], etc. nicknames…
(I pronounce [name]Margaret[/name] with there syllables—a subtle middle…)
[name]Margaret[/name] [name]Blythe[/name]
[name]Margaret[/name] [name]Louise[/name]
[name]Louisa[/name]/[name]Louise[/name]: I love [name]Louisa[/name] so much! (And if you go with [name]Louisa[/name], your husband can call her [name]Louise[/name] for a nickname.) 
[name]Louisa[/name] [name]Blythe[/name]
[name]Louisa[/name] [name]Jane[/name] (N issue, though)
[name]Louisa[/name] [name]Kate[/name]
[name]Louisa[/name] [name]Margo[/name]
[name]Louisa[/name] [name]Margaret[/name]
[name]Louisa[/name] [name]Violet[/name]
[name]Rosemary[/name]: I think it’s beautiful…
[name]Rosemary[/name] [name]Blythe[/name]
[name]Rosemary[/name] [name]Frances[/name] (then again, [name]Frances[/name] [name]Nelson[/name] has a lot of ssss)
[name]Josephine[/name]: I love it, but I like the other names more with [name]Nelson[/name], because [name]Josephine[/name] [name]Nelson[/name] has back-to-back N sounds, and both names end with N. [name]Even[/name] so, it’s not really a big deal. (From your list, I love [name]Nora[/name] [name]Josephine[/name]…)
[name]Josephine[/name] [name]Charlotte[/name]
[name]Josephine[/name] [name]Claire[/name]
[name]Josephine[/name] [name]May[/name]
[name]Josephine[/name] [name]Ruby[/name]
More names you may like:
[name]Amelia[/name]
[name]Celia[/name]
[name]Claudia[/name]
[name]Cordelia[/name] (nn [name]Cora[/name])
[name]Eliza[/name]
[name]Genevieve[/name] (nn [name]Evie[/name])
[name]Isadora[/name]
[name]Juliet[/name]
[name]Lydia[/name]
[name]Tabitha[/name]
[name]Willa[/name] (unless your last name is actually [name]Nelson[/name], because [name]Willa[/name] [name]Nelson[/name] reminds me of [name]Willie[/name] [name]Nelson[/name])
Boys:
[name]Charles[/name] (nn [name]Charlie[/name]): I love it!
[name]Charles[/name] [name]Alexander[/name]
[name]Charles[/name] [name]Benjamin[/name] (if the N issue doesn’t bother you)
[name]Charles[/name] [name]Everett[/name]
[name]Charles[/name] [name]Elliot[/name]
[name]Charles[/name] [name]Frederick[/name]
[name]Charles[/name] [name]William[/name] (see [name]Willa[/name])
[name]Theodore[/name] (nn [name]Ted[/name] or [name]Theo[/name]): Oooh…I love [name]Theodore[/name]! I love [name]Theodore[/name] [name]Charles[/name]. 
[name]Theodore[/name] [name]Charles[/name]
[name]Theodore[/name] [name]James[/name]
[name]Theodore[/name] [name]Miles[/name]
[name]Samuel[/name] (nn [name]Sam[/name]) I love [name]Samuel[/name], too…
[name]Samuel[/name] [name]Charles[/name]
[name]Samuel[/name] [name]Edward[/name]
[name]Samuel[/name] [name]Henry[/name]
[name]Samuel[/name] [name]Joseph[/name]
[name]Oscar[/name]: I think it’s a nice name, but I just love the others more.
[name]Oscar[/name] [name]Benjamin[/name]
[name]Oscar[/name] [name]Julian[/name]
[name]Oscar[/name] [name]William[/name]
Some more names you may like:
[name]Arthur[/name]
[name]Edward[/name]
[name]Frederick[/name]
[name]George[/name]
[name]Henry[/name]
[name]Joseph[/name]
[name]Leo[/name]
[name]Oliver[/name]
I love your list so, so much!!! My personal favorites are [name]Louisa[/name] [name]Nelson[/name] and [name]Theodore[/name] [name]Nelson[/name]. 
Good luck!