Summer
Shine
Lulu
Feathers (jk)
Birch
Bay
Aurora
Coral
Daisy
Birdie
Kira (persian for 'sun' latin for 'light')
Meadow
Poppy
Clara
Claire
Ava
April
Juniper
Blossom
Dawn
Danica
Iris
Lily
Lavander
Primrose
Eden
Elizabeth
Zoe
Chloe
(i would go on but i think this is pleanty)