Sibling for Georgia and Harriet

I like Alistair and Norah best!

How about:

Mabel

Lucille

Annabel

Eleanor

Evelyn

Esther

Beatrix/Beatrice

Mavis

Alice

Margot

Florence

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Arthur

Sterling

Roscoe

Calvin

Silas

Curtis

Maxwell

Clark

Lucas

Elliot

Asa