For this one I used names from one of Nameberry's "quarterly reports" of all the new babies on their site and their siblings.
GIRLS
Annalise, Mason, Lilevi and...
Colin, Philip and...
Colton, Brady and... (Brady's twin)
Connor, Charlotte and...
Declan, Matilda, Juliet and...
Edward, Calvin, Anne and...
Edward, Maxwell, August, Charles and... (Charles's twin)
Florence, Dorothy and...
Imogen, Beatrice, Leopold and...
Juliet, Elias, Helena and...
Juliet, Willow, Adam, Arielle and...
Juliette, Bella, Mia, Leo, Ronan and...
Matilda, Eloise, Walter, Bernadette and... (Bernadette's twin)
Oliver, Henry, Emilia and...
Sofia, Avila and...
Theo, Max and...
Wesley, Dexter and...
Aleah, Aurora, Beatrix, Cecily, Eleanor, Eliora, Elise, Genevieve, Georgia, Lila, Liza, Margaret, Norah, Ramona, Rosalie, Rosamund, Violet
BOYS
Alastair, Georgia, Lavinia and...
Avery, Quinn and...
Caius, Olive, Hero and...
Conor, Cordelia and... (Cordelia's twin)
Hugo, Olive and...
Lillian, Violet and...
Lily, Scarlett, Isabelle, Evie, Charlotte and...
Mackinley, Cainyn and...
Milena, Rosalind, Amabel and... (Amabel's twin)
Nicholas, Joshua, Joseph and...
Owen, Leon and...
Payton, Devin and...
Stellen, Shiloh, Mohin, Audie and... (Audie's twin)
Archer, Avery, Beckett, Briar, Christian, Cormac, Eamon, Felix, Hamish, Henry, James, Torren, Walter