My thoughts on the current front runners:
- [name_m]Augustine[/name_m] - is very handsome. My only hesitation is that it feels very grand and elaborate next to [name_m]Jack[/name_m] and [name_f]Mary[/name_f], but nicknames [name_m]Gus[/name_m] and [name_m]Auggie[/name_m] feel perfectly matched.
- [name_m]Everett[/name_m] - I love [name_m]Everett[/name_m] personally. Very sharp and stylish, and it’s a good balance of gentle and strong.
- [name_m]Francis[/name_m] “Frank” - I think this one is the most well matched with [name_f]Mary[/name_f] and [name_m]Jack[/name_m]. It’s got that retro charm and classic energy. [name_m]Francis[/name_m] feels elegant and saintly like [name_m]Augustine[/name_m] while being more down to earth like [name_m]Jack[/name_m]. If I were choosing from your list, it’d probably be between [name_m]Francis[/name_m] and [name_m]Everett[/name_m].
- [name_m]Clark[/name_m] - [name_m]Clark[/name_m] is nice, but I do feel it might be too close to [name_m]Jack[/name_m] and [name_f]Claire[/name_f]. Still, I love [name_f]Mary[/name_f] and [name_m]Clark[/name_m] as siblings names.
For the girls:
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[name_f]Alice[/name_f] - [name_m]The[/name_m] most promising choice imho, sounds nice with [name_f]Mary[/name_f] and [name_m]Jack[/name_m] and is a pretty, classic name. But you don’t seem the most charmed by it.
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[name_f]Clara[/name_f] - I personally would avoid [name_f]Clara[/name_f] as it is so close to [name_f]Claire[/name_f]. If [name_f]Mary[/name_f] doesn’t go by her middle name often, it’s not the end of the world, but it’s something to consider.
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[name_f]Jane[/name_f] - I love [name_f]Jane[/name_f] and I think it’s a great sister name with [name_f]Mary[/name_f]. However, [name_m]Jack[/name_m] and [name_f]Jane[/name_f] just feel too close for me personally.
A few of my suggestions:
- [name_m]Louis[/name_m] / [name_f]Louise[/name_f] / [name_f]Louisa[/name_f] - Whether you use the masculine or feminine version, it’s so classic and charming and calls to several saints.
- [name_f]Eliza[/name_f] / [name_f]Elise[/name_f] - [name_f]Elizabeth[/name_f] is also nice, but I think [name_f]Eliza[/name_f] feels more similar in energy to [name_m]Jack[/name_m] and [name_f]Mary[/name_f]. [name_m]The[/name_m] [name_f]French[/name_f] [name_f]Elise[/name_f] is also beautifully elegant and down to earth and might be a touch more surprising.
- [name_f]Ruth[/name_f] - Has a great blend of class and playfulness. [name_f]Ruthie[/name_f] is adorable, and reminds me a lot of [name_m]Auggie[/name_m] and [name_m]Gus[/name_m].
- [name_f]Flora[/name_f] - [name_f]Florence[/name_f] or [name_f]Florentina[/name_f] might be too much with [name_f]Mary[/name_f] and [name_m]Jack[/name_m], but [name_f]Flora[/name_f] feels like a solid match.
- [name_f]Emma[/name_f] / [name_f]Emily[/name_f] - Feels a lot like [name_f]Jane[/name_f] and [name_f]Clara[/name_f] in terms of energy and feel, but is distinct in sound from [name_m]Jack[/name_m] and [name_f]Mary[/name_f] [name_f]Claire[/name_f].