Advice for Twin Name to go with Katherine

I am expecting twin girls and we have one name picked out: [name]Katherine[/name]. We will call her [name]Katie[/name].
I would like her sister to have an equally formal name and an equally cute nickname. Their older brother’s name is [name]Alexander[/name] and he goes by A.J.
So it has to flow well with: [name]Alexander[/name], [name]Katherine[/name], and ???
AND it has to flow well with: A.J., [name]Katie[/name] and ???

I’d like to hear your thoughts!!!

[name]Josephine[/name] - [name]Jo[/name]/Phee/[name]Josie[/name]
[name]Victoria[/name] - [name]Tori[/name]
[name]Theresa[/name] - [name]Tessa[/name]
Christiania - [name]Chrissie[/name]/[name]Tia[/name]/[name]Ani[/name]
[name]Georgiana[/name] - [name]Georgie[/name]/[name]Ana[/name]
[name]Margaret[/name] - [name]Maggie[/name]/[name]Peggy[/name]
[name]Beatrice[/name] - [name]Bea[/name]
[name]Constance[/name] - [name]Connie[/name]
[name]Wilhelmina[/name] - [name]Mina[/name]
[name]Emmeline[/name] - [name]Emmy[/name]

[name]Charlotte[/name]- [name]Carly[/name]
[name]Elizabeth[/name] -[name]Betty[/name], [name]Ellie[/name], [name]Lizzy[/name]
[name]Corinne[/name]- [name]Cori[/name]
[name]Susanna[/name]- [name]Suzy[/name]
[name]Abigail[/name]- [name]Abby[/name]
[name]Veronica[/name]- [name]Ronnie[/name]
[name]Cecilia[/name]- Cici
[name]Camilla[/name]- [name]Cammy[/name]
[name]Rebecca[/name]- [name]Becky[/name]
[name]Caroline[/name]- [name]Carrie[/name]
[name]Lucinda[/name]- [name]Lucy[/name]

I would pick:
[name]Elizabeth[/name] ([name]Lizzy[/name], [name]Beth[/name], [name]Betty[/name], [name]Eliza[/name] and etc)
[name]Corinna[/name] ([name]Cory[/name], [name]Cora[/name])
[name]Victoria[/name] ([name]Tory[/name])
[name]Genevieve[/name] ([name]Genna[/name], [name]Evie[/name], [name]Neve[/name])
[name]Tabitha[/name] ([name]Tabby[/name])
[name]Matilda[/name] ([name]Mattie[/name], [name]Tilly[/name], [name]Tilda[/name])

[name]Katherine[/name] and [name]Alexander[/name] are wonderful together!

[name]Katherine[/name] and…

– [name]Elisabeth[/name]/[name]Elizabeth[/name] >> [name]Beth[/name], [name]Ellie[/name], [name]Lily[/name]
– [name]Josephine[/name] >> [name]Effie[/name], [name]Posey[/name], [name]Josie[/name]
– [name]Margaret[/name] >> [name]Maggie[/name], [name]Margo[/name], [name]Daisy[/name]
– [name]Eleanor[/name] >> [name]Nora[/name], [name]Ellie[/name], [name]Lea[/name]
– [name]Genevieve[/name] >> [name]Gen[/name], [name]Genny[/name], [name]Evie[/name]
– [name]Penelope[/name] >> [name]Poppy[/name], [name]Penny[/name], [name]Nell[/name]
– [name]Beatrice[/name] >> [name]Bea[/name], [name]Bee[/name], [name]Beta[/name]

[name]Katherine[/name] ([name]Katie[/name]) and [name]Charlotte[/name] (nn [name]Lottie[/name]) would be perfect together! I also like the pp’s suggestions of [name]Elizabeth[/name] ([name]Libby[/name]), and
[name]Josephine[/name] ([name]Josie[/name]).

My first thought was [name]Josephine[/name] nn posey/[name]Josie[/name]…

Others that have been suggested that I like:
[name]Charlotte[/name] nn [name]Lottie[/name]/[name]Charlie[/name]
[name]Elizabeth[/name] nn [name]Eliza[/name], [name]Lizzy[/name], [name]Betty[/name], [name]Beth[/name]
[name]Margaret[/name] nn [name]Maisie[/name] (love this!!) daisy, maggie
Another classic a bit less expected…
[name]Adelaide[/name] nn[name]Adele[/name]/Lady/[name]Della[/name]/[name]Addie[/name] or
[name]Lucia[/name] nn [name]Lucy[/name]

[name]Charlotte[/name], [name]Elizabeth[/name], [name]Victoria[/name], [name]Isabel[/name], [name]Rebecca[/name], [name]Madelyn[/name], [name]Margaret[/name]

Would also adore to see [name]Harriet[/name] nn [name]Hattie[/name] with your sibset… [name]Katherine[/name] and [name]Harriet[/name] would be adorable!! [name]Katie[/name] and [name]Hattie[/name]!

[name]Millicent[/name] [name]Claire[/name] nn [name]Millie[/name]-[name]Claire[/name]

So many good suggestions! I’m liking [name]Elizabeth[/name] nn [name]Lizzy[/name] or [name]Ellie[/name] and [name]Margaret[/name] nn [name]Maggie[/name] or [name]Maisie[/name] especially. Hmm.

What else can I see working that I haven’t seen…[name]Alexander[/name] nn AJ, [name]Katherine[/name] nn [name]Katie[/name], and…

[name]Sarah[/name] nn [name]Sally[/name] (nn [name]Sadie[/name] is so cute but [name]Katie[/name] and [name]Sadie[/name] might be too much, unless you like that!)
[name]Helena[/name] nn [name]Nell[/name], [name]Nellie[/name], [name]Lena[/name]
[name]Julia[/name] nn [name]Jules[/name]
[name]Mary[/name] nn [name]Molly[/name] or [name]Polly[/name] (but I recognize these aren’t widely known as [name]Mary[/name] nicknames nowadays)
[name]Frances[/name] nn [name]Francie[/name]
[name]Emily[/name] nn [name]Emmie[/name], [name]Millie[/name]
[name]Louisa[/name] nn [name]Lulu[/name], [name]Lou[/name]
[name]Lillian[/name] nn [name]Lily[/name] ([name]Katherine[/name] and [name]Lillian[/name] both end in N but I think it’s distinct enough that it works)
[name]Dorothy[/name]/[name]Dorothea[/name] nn [name]Dora[/name], [name]Doro[/name], [name]Thea[/name], [name]Dolly[/name], [name]Dottie[/name]
[name]Natalie[/name] nn [name]Tallie[/name]
[name]Michaela[/name] nn [name]Mikki[/name]
[name]Olivia[/name] nn [name]Livvy[/name]
[name]Lydia[/name] nn Liddy
[name]Sylvia[/name] nn [name]Sylvie[/name]
[name]Sophia[/name] nn [name]Sophie[/name]
[name]Miriam[/name] nn [name]Miri[/name], [name]Mimi[/name], [name]Mira[/name]
[name]Mirabelle[/name] nn [name]Mira[/name], [name]Belle[/name]
[name]Miranda[/name] nn [name]Miri[/name], [name]Mimi[/name], [name]Mira[/name]
[name]Evelyn[/name] nn [name]Evie[/name] (again both ending in N but I think it works)
[name]Vivian[/name] nn [name]Vivi[/name], [name]Viv[/name] (N that works)

Sure there are more. Good luck!

[name]Elizabeth[/name] - [name]Libby[/name]/[name]Birdie[/name].
[name]Marguerite[/name] - [name]Daisy[/name]
[name]Meredith[/name] - [name]Merry[/name]
[name]Vivienne[/name] - [name]Vivi[/name]
[name]Lucinda[/name] - [name]Lulu[/name]/[name]Lucy[/name]/[name]Cinda[/name]
[name]Rosemary[/name] - [name]Romy[/name], [name]Rory[/name]
[name]Genevieve[/name] - [name]Genny[/name]/[name]Vivi[/name]
[name]Opal[/name] - [name]Polly[/name]

I’m a [name]Katherine[/name] nn [name]Kate[/name] and my sister is [name]Sarah[/name] so [name]Katherine[/name] and [name]Sarah[/name] go together in my mind. My grandpa calls her [name]Sally[/name]. As a [name]Katherine[/name], the names I see as equivalents are a rare, but distinguished crowd. [name]Elizabeth[/name], [name]Margaret[/name] (I prefer nn [name]Meg[/name]), [name]Caroline[/name] ([name]Carrie[/name]), [name]Victoria[/name] ([name]Tori[/name], [name]Ria[/name], [name]Vicky[/name]), names for queens and heroines. Other names carry the same tone, but not the same length: [name]Anna[/name], [name]Sylvia[/name], [name]Claire[/name], [name]Lucy[/name], [name]Julia[/name], [name]Jane[/name], [name]Audrey[/name]. Another category carries the same length but not QUITE the same tone: [name]Natalie[/name], [name]Genevieve[/name], [name]Olivia[/name], [name]Charlotte[/name]. Any of these categories will go very nicely.

Dang, I forgot [name]Caroline[/name]!

But my favourite short form of it is [name]Callie[/name].

These are my faves (that others already suggested!!) love your classic taste!

[name]Josephine[/name] - [name]Jo[/name]/[name]Josie[/name]
[name]Georgiana[/name] - [name]Georgie[/name]/[name]Ana[/name]
[name]Margaret[/name] - [name]Maggie[/name]/[name]Meg[/name]
[name]Beatrice[/name] - [name]Bea[/name]
[name]Charlotte[/name]- [name]Carly[/name]
[name]Elizabeth[/name] -[name]Betty[/name], [name]Ellie[/name], [name]Lizzy[/name]

[name]Olivia[/name] - [name]Livvy[/name], [name]Liv[/name]
[name]Julia[/name] or [name]Juliet[/name] - [name]Jules[/name]

First name I thought of was [name]Charlotte[/name]. AJ, [name]Katie[/name] and [name]Charlie[/name].

[name]Louise[/name] nn [name]Lulu[/name] and [name]Rebecca[/name] nn [name]Becca[/name] could work too.

I also think [name]Elizabeth[/name] ([name]Lizzie[/name]) could work very well in this sibset. Other suggestions:

[name]Abigail[/name] ([name]Abby[/name])
[name]Miranda[/name] ([name]Mandy[/name])
[name]Emmeline[/name] or [name]Emilia[/name] ([name]Emma[/name] or [name]Emmy[/name])
[name]Scarlett[/name] ([name]Carly[/name])

I love [name]Alexander[/name] and [name]Katherine[/name]!

What do you think of:
[name]Theresa[/name] ([name]Tess[/name]/[name]Tessa[/name])
[name]Mary[/name] [name]Elizabeth[/name] ([name]Emmy[/name])
[name]Caroline[/name] ([name]Calla[/name], [name]Callie[/name], [name]Cary[/name])
[name]Abigail[/name] ([name]Abby[/name])
[name]Cassidy[/name] ([name]Cassie[/name])
[name]Elizabeth[/name] ([name]Libby[/name])
[name]Margaret[/name] ([name]Meg[/name]/[name]Maggie[/name] or even [name]Daisy[/name]!)
[name]Sara[/name] ([name]Sadie[/name])
[name]Penelope[/name] ([name]Pippa[/name])
[name]Danielle[/name] ([name]Ellie[/name])
[name]Madeleine[/name] ([name]Addie[/name])

As a [name]Kathryn[/name] ([name]Katie[/name]) myself, I would chose:

[name]Margaret[/name] ([name]Margo[/name])
[name]Cecily[/name]
[name]Elizabeth[/name] ([name]Betsy[/name])
[name]Hillary[/name]
[name]Vivian[/name] ([name]Vivi[/name])
[name]Audrey[/name]
[name]Audra[/name]
[name]Anne[/name] ([name]Annie[/name])