Can't find any names that we love

My husband and I have a son named [name]Leo[/name] [name]Sebastian[/name] [name]Felix[/name], and are officially TTC. I am pretty much obsessed with names, and finding the perfect name for our son took forever, spanning the entire pregnancy and a few hours after [name]Leo[/name]'s birth to pick it. As such, I’m starting even earlier to look for the perfect name for our future son or daughter

We have a couple names that we were considering when I was pregnant with [name]Leo[/name], but none seem to really fit.

[name]Oliver[/name] [name]August[/name] [name]Jude[/name]
[name]Henry[/name] [name]Atticus[/name] [name]Roman[/name]
[name]Charles[/name] ([name]Charlie[/name])
[name]Emmett[/name]
[name]Jack[/name]

[name]Nora[/name] [name]Eloise[/name] [name]Piper[/name]
[name]Annabel[/name] [name]Violet[/name] _____
[name]Violet[/name] [name]Matilda[/name] [name]Esme[/name]
[name]Rosalie[/name] ([name]Rose[/name])
[name]Sophie[/name]
[name]Ivy[/name]
[name]Audrey[/name]

We like want a name that is intelligent, quirky, charming,and classy, that gives off a sense of coziness and warmth, and seems to glow, almost, with happiness.

We’re not a fan of matchy names, so we don’t want a name that starts with L or ends with O.

Can you give us some suggestions on names that you think fit our criteria and go nicely with [name]Leo[/name]'s name?

[name]Leo[/name] [name]Sebastian[/name] [name]Felix[/name] is a great combination. Here are some names that would be worthy of any sibling.
Boys
[name]Oliver[/name] (just not with [name]August[/name] [name]Jude[/name])
[name]Adrian[/name] or [name]Julian[/name]
[name]Silas[/name]
[name]Gabriel[/name]
[name]Oscar[/name]
[name]Tobias[/name]
[name]Jasper[/name]
[name]Benedict[/name]
[name]Ambrose[/name]
[name]Gregory[/name]

Girls
[name]Abigail[/name]
[name]Cecily[/name]
[name]Caroline[/name]
[name]Agatha[/name]
[name]Charlotte[/name]
[name]Eleanor[/name]
[name]Emma[/name]
[name]Evelyn[/name]
[name]Augusta[/name]
[name]Hannah[/name]
[name]Hazel[/name]
[name]Ivy[/name] ( I do like this one from your list with [name]Leo[/name])
[name]Josephine[/name]
[name]Penelope[/name]

I really like the ones that serendipity offered! Here are some others that came to mind:

Girls:
[name]Martha[/name]
[name]Frances[/name]
[name]Philippa[/name] (nn [name]Pippa[/name]?)
[name]Felicity[/name]
[name]Louella[/name]
[name]Daphne[/name]
[name]Harriet[/name] (nn [name]Hattie[/name]?)
[name]Anne[/name]
[name]Aurelia[/name]
[name]Sadie[/name]
[name]Isadora[/name]
[name]Evangeline[/name]
[name]Tallulah[/name]
[name]Theodora[/name]
[name]Adele[/name]
[name]Esme[/name]
[name]Susannah[/name]
[name]Lillian[/name]
[name]Ruth[/name]
[name]Rosemary[/name]
[name]Helen[/name] (wouldn’t the nicknames [name]Nellie[/name] or [name]Lennie[/name] be so cute?!)
[name]Agnes[/name]
[name]Cornelia[/name] / [name]Cordelia[/name]
[name]Delilah[/name]
[name]Emmeline[/name]
[name]Georgia[/name]
[name]Daisy[/name] / [name]Maisie[/name]
[name]Corinne[/name]

Boys:
[name]Elijah[/name]
[name]Dawson[/name]
[name]Jacob[/name]
[name]Elliott[/name] (similar to [name]Emmett[/name])
[name]William[/name]
[name]Kieran[/name]
[name]Sawyer[/name]
[name]Owen[/name]
[name]Raphael[/name]
[name]Cormac[/name]
[name]Callum[/name]
[name]Malcolm[/name]
[name]Calvin[/name]
[name]Daniel[/name]
[name]Matthew[/name]