[name]Hi[/name] [name]Lillian[/name], congrats on your pregnancy and welcome to Nameberry! [name]Evelyn[/name] Waugh is a wonderful [name]MALE[/name] literary namesake (I loved Brideshead Revisited) if you have a son. Here are my thoughts on your name list and other suggestions.
Girls:
[name]Judy[/name] - [name]Judith[/name] [name]Evelyn[/name] would be a much better choice. She would have the option of using [name]Judy[/name] when she’s a girl and reverting back to [name]Judith[/name] when she matures.
[name]Rosa[/name] - Doesn’t work well with Ackers (back-to-back a’s). [name]Rose[/name] Ackers sounds like a description (acres of roses ) so that’s not good either. [name]Do[/name] you like [name]Rosemary[/name], [name]Rosalie[/name] or [name]Rosamund[/name] as alternatives?
[name]Annie[/name] - [name]Annie[/name] Ackers sounds a bit cartoonish to me. What about [name]Anneliese[/name], [name]Annabeth[/name] or [name]Annabel[/name]?
[name]Julie[/name] - A pretty name but a little too nicknamey.
Other Female Suggestions - you seem to have an affinity for nicknames as first names. Personally, I think a fuller name with a cute nn would give you more choices.
[name]Molly[/name] [name]Evelyn[/name]
[name]Lucy[/name] [name]Evelyn[/name]
[name]Margot[/name] [name]Evelyn[/name]
[name]Maisie[/name] [name]Evelyn[/name]
[name]Florence[/name] [name]Evelyn[/name]
[name]Polly[/name] [name]Evelyn[/name]
[name]Trudie[/name] [name]Evelyn[/name]
[name]Sadie[/name] [name]Evelyn[/name]
[name]Penny[/name] [name]Evelyn[/name]
[name]Marnie[/name] [name]Evelyn[/name]
[name]Maggie[/name] [name]Evelyn[/name]
[name]Gracie[/name] [name]Evelyn[/name]
Boys:
[name]Timothy[/name] - An underused Biblical name. [name]Timothy[/name] [name]Evelyn[/name] has a lot of syllables but [name]Timothy[/name] Ackers sounds great. Since [name]Evelyn[/name] has special family meaning for you, I’m going to overlook the syllable count. 
[name]Robert[/name] - Sounds a bit abrupt and harsh with your surname.
[name]Edward[/name] - This has the same problem as [name]Robert[/name]. It sounds choppy with Ackers and [name]Edward[/name] [name]Evelyn[/name] isn’t my fave combo.
[name]Eric[/name] - I don’t think the sound of [name]Eric[/name] Ackers is the best.
Other [name]Male[/name] Suggestions - you seem to like more traditional names for boys.
[name]Joseph[/name] [name]Evelyn[/name]
[name]Jude[/name] [name]Evelyn[/name]
[name]Philip[/name] [name]Evelyn[/name]
[name]Theodore[/name] [name]Evelyn[/name]
[name]George[/name] [name]Evelyn[/name]
[name]Richard[/name] [name]Evelyn[/name]
[name]Henry[/name] [name]Evelyn[/name]
[name]Lawrence[/name] [name]Evelyn[/name]
[name]Charles[/name] [name]Evelyn[/name]