Rainbow baby names

I have 3 living kids, named Gavin Alexander, Isadora Ivy, Nikolai Roman (Niko). And my sleeping beauty’s name is Violet Marie.
I’m wanting some ideas that go along with this being a rainbow baby, but also quirky like it’s siblings. I do not know the gender yet, so boy and girls names are welcome!!

I’m sorry for your loss, and your kids have lovely names.

Girls:
[name_f]Olive[/name_f]
[name_f]Vivienne[/name_f]
[name_f]Pearl[/name_f]
[name_f]Selah[/name_f]
[name_f]Aurora[/name_f]
[name_f]Anastasia[/name_f]
[name_f]Nadia[/name_f]
[name_u]Sunny[/name_u]
[name_f]Rose[/name_f]
[name_f]Daisy[/name_f]
[name_f]Ophelia[/name_f]
[name_f]Phoebe[/name_f]
[name_f]Natalia[/name_f]
[name_f]Romee[/name_f]
[name_f]Rosemary[/name_f]

Boys:
[name_u]Phoenix[/name_u]
[name_m]Phineas[/name_m]
[name_m]Edmund[/name_m]
[name_u]Sasha[/name_u]
[name_u]Jude[/name_u]
[name_m]Isiah[/name_m]
[name_m]Otis[/name_m]
[name_u]Milo[/name_u]
[name_u]Jasper[/name_u]
[name_u]Quinn[/name_u]
[name_u]Griffin[/name_u]
[name_u]Finley[/name_u]
[name_u]Dean[/name_u]
[name_f]Arwen[/name_f]
[name_u]Arlo[/name_u]
[name_u]Chance[/name_u]

Congratulations on your rainbow!

[name_f]Iris[/name_f] is an often suggested rainbow baby name.

I also though of [name_u]Indigo[/name_u]. Like [name_u]Indigo[/name_u] in roygbiv colours of the rainbow. It’s a little different style from your children’s names, but maybe as a middle name for either gender.

[name_u]Enfys[/name_u] is a unisex Welsh name meaning rainbow.

[name_f]Keshet[/name_f] is a unisex Hebrew name meaning rainbow.

All the best.

I second the suggestion of [name_f]Iris[/name_f]!

[name_f]Miracle[/name_f]
[name_f]Mirai[/name_f] (miracle)
[name_u]Angel[/name_u] names: [name_f]Angelina[/name_f] and [name_f]Evangeline[/name_f] are my favorites
Beatrix/Beatrice: (she who brings happiness)
[name_f]Felicity[/name_f]: (happiness)
[name_f]Gwyneth[/name_f]: (blessed)
[name_f]Iridiana[/name_f]: (rainbow)
Theodora/Theodosia (gift of God)
Dorothy/Dorothea (gift of God)
[name_f]Nadia[/name_f] (hope)
[name_u]Evelyn[/name_u] (wished for child)
[name_f]Aveline[/name_f] (desired)
[name_f]Eliana[/name_f] (my God has answered)
[name_f]Raphaela[/name_f] (god has healed)

[name_u]Asher[/name_u] (happiness)
[name_m]Theodore[/name_m] (gift of God)
[name_m]Isaac[/name_m] (laughter)
Raphael/Rafael (god has healed)
[name_m]Felix[/name_m] (happy, fortunate)