Alternatives to Cassia, Rowan and Imogen please!

[PeachPeachPlum]

I need your help!

I can't have any of these names for various reasons and I can't see past them.

Could you please give me some other suggestions for girls names?

Sister is Merryn and brother is Magnus.

Nadia
Kyla
Laurel
Eden
Daphne
Lilith

Cassidy
Reuben or Roman
Harriet

Cassandra
Rowenna
Morwenna
Miranda
Nerissa
Rosalind
Caroline

Monica?