From your list, I think Eleanor goes the best with Angus & Harriet
I do love Lucinda, too

Georgia is super popular - when I was teaching, I taught up to 5 Georgia's at once, and I know of 3 others (friends kids and my niece) - although they are all spelt 'Jorja'.

Maaaaaaybe you won't need this list and little Basil will arrive instead