Girls:
Felicity "Flick" 9/10. I had this on my list but husband didn't like. I really like it although maybe too Frilly?
Tessa "Tess" Nothing wrong with it but not my personal taste
Juliet "Jules" 10/10 love
Violet 9/10 prefer Juliet, but I really like.
Scarlett I'm not keen.
Elizabeth "Eliza" 10/10 probably will use if I have another girl.
Sylvia "Sylvie" don't like.
Margot too popular but its a nice name, there's loads in my baby group
Madeline (pronounced "MAD-uh-LINE") -- how inevitable is the nn Maddie? no, will be miss pronounded..
Caroline really like 8/10
Susannah really like. 8/10
Charlotte There's too many lotties for me..
May/Mae Prefer it as a 1st to middle name, but there's so many other nice names with more flair...
Lily 8/10 really like
Dahlia ("DOLL-lee=yah") Nope.
Boys:
Miles. Really like 9/10
Christopher "Kit" really like 10/10
Fraser nope
Graham (I pronounce it "GRAM"): nope
Dean. It's ok, 6/10
August. Too trendy
James "Jamie" love 10/10
William classic 9/10
Rowan really like, 9/10
Robin (maybe too girly in the US?) It's ok, 6/10
Jasper 7/10 it's ok
Jack 7/10 it's ok
Griffin. Nope
You have a great list I think.