My son’s name is [name]Kai[/name].
It’s such a short, distinct name that often conjures up a similar image for most people (cool Hawaiian surfer boy lol) and everyone absolutely adores it. We feel like [name]Kai[/name]'s sibling needs to have a name that’s just as distinct. My husband loves [name]Leah[/name] as an example, but [name]Kai[/name] and [name]Leah[/name] are practically opposites [name]IMO[/name].
I’d love to hear your suggestions for both a brother and sister for [name]Kai[/name]!
I adore [name]Kai[/name]. It’s truly a fave of mine 
Here are some suggestions I have and maybe you’ll like a few of them. p.s. I actually like [name]Kai[/name] and [name]Lea[/name].
[name]Kala[/name]
[name]Belle[/name]
[name]Bay[/name]
[name]Blaire[/name]
[name]Aster[/name]
[name]Skye[/name]
[name]Clover[/name]
[name]Loli[/name] (low-li)
I actually love [name]Kai[/name] and [name]Leah[/name] together-- although I would stick to the [name]Lea[/name]/[name]Lia[/name] spelling rather than [name]Leah[/name].
I would personally go with [name]Lia[/name] since it’s used in [name]Hawaii[/name]! Perfect!
If you’d like something with a little more pizzaz, you might consider [name]Lilou[/name].
Good luck!
I think [name]Kai[/name] and [name]Lea[/name] sound great together! also I immediately thought of [name]Zoe[/name]. [name]Kai[/name] and [name]Zoe[/name] sound so cute together.
Some others are
[name]Asia[/name]
[name]Cleo[/name]
[name]Ivy[/name]
[name]Ira[/name]
[name]Isis[/name]
[name]Lyra[/name]
[name]Nina[/name]
[name]Leela[/name]
[name]Zia[/name]
[name]Loli[/name] - [name]Brain[/name] explode. At least in anime/manga fan circles, this is short for lolicon, a Japanese word derived from [name]Lolita[/name]… you get the picture.
[name]Hi[/name]! I love the suggestion of using [name]Lea[/name]! [name]Even[/name] though it’s Italian, I can also see the [name]Lia[/name] spelling with [name]Kai[/name].
I can see exotic sounding names with [name]Kai[/name] like:
[name]Azalea[/name] (nn [name]Lea[/name])
[name]Dahlia[/name] (nn [name]Lia[/name])
[name]Eliana[/name] (nn [name]Lia[/name])
[name]Lola[/name]
[name]Liliana[/name] (nn [name]Lia[/name])
[name]Marin[/name]
[name]Melora[/name]
[name]Paloma[/name]
[name]Talia[/name] (nn [name]Lia[/name])
Good luck!
I know a [name]Kai[/name] and [name]Delilah[/name] sibling set.
[name]Cleo[/name] is a great suggestion, cute name! Not sure how you feel about aliteration tho - [name]Kai[/name] and [name]Cleo[/name]??!
[name]How[/name] about [name]Rex[/name]? You considering boys names also, or do you know you’re having a girl? I love [name]Rex[/name] and think its short and punchy.
Girls?
[name]Pia[/name]
[name]Romy[/name]
[name]Roxie[/name]
Pixie
[name]Nixie[/name]
[name]Dixie[/name]
[name]How[/name] about:
[name]Taj[/name]
[name]Nate[/name]
[name]Reef[/name]
[name]Van[/name]
[name]Sonny[/name]
[name]Beau[/name]
[name]Mia[/name]
[name]Sky[/name]
[name]Lea[/name]
[name]Summer[/name]
[name]Sunny[/name]
Kirra
I really love [name]Kai[/name] with [name]Taj[/name] or [name]Taja[/name] for a girl. Other suggestions:
[name]Mika[/name]
[name]Zahra[/name]
[name]Azaria[/name]
[name]Amira[/name]
[name]Maya[/name]
[name]India[/name]
[name]Pippa[/name]
[name]Piper[/name]
[name]Roxana[/name]/[name]Roxy[/name]
[name]Sadie[/name]
[name]Tia[/name]
[name]Tiana[/name]
[name]Pania[/name]
[name]Ivy[/name]
[name]Mahalia[/name]
[name]Aiyana[/name]
[name]Leora[/name]
[name]Sari[/name]
[name]Tess[/name]/[name]Tessa[/name]
[name]Savannah[/name]
[name]Bronte[/name]
[name]Phoebe[/name]
[name]Tex[/name]
[name]Zeke[/name]/[name]Ezekiel[/name]
[name]Levi[/name]
[name]Lachlan[/name]
[name]Caesar[/name]
[name]Odie[/name]
[name]Wyatt[/name]
[name]Leo[/name]/[name]Leon[/name]
[name]Hugo[/name]
[name]Arlo[/name]
[name]Zoren[/name]
[name]Zoltan[/name]
[name]Milo[/name]
[name]Axel[/name]
Thank you for all the suggestions! Looking for both boy and girl names- currently on cycle 8 of TTC #2 
[name]Hi[/name]! I love [name]Kai[/name], it’s such a handsome name
Some names that spring to mind are (sorry for repeats!)
Girls:
[name]Anaia[/name]/[name]Anaya[/name]
[name]Hani[/name] (Hawaiian name meaning joyful)
[name]Neve[/name]
[name]Miko[/name] (or [name]Mika[/name])
[name]Ruby[/name]
[name]Tamsyn[/name]
[name]Thalie[/name]/[name]Thalia[/name] (nn [name]Lia[/name])
[name]Theo[/name]/[name]Thea[/name]
[name]Vita[/name]/[name]Vida[/name] nn [name]Vivi[/name]
Boys:
[name]Myles[/name]
[name]Otis[/name]
[name]Owen[/name]
[name]Santi[/name]
Tao (pn [name]Tay[/name]-Oh) - I also like this as a girl’s name
Good luck! x
Hey!
My suggestions are:
Girl -
[name]Bree[/name]
[name]Lila[/name]
[name]Eva[/name]
[name]Isla[/name]
[name]Thea[/name]
[name]Willow[/name]
Boy-
[name]Bryn[/name]
[name]Finn[/name] or [name]Flynn[/name]
[name]Ronan[/name]
[name]Leo[/name]
[name]Roscoe[/name]
[name]Lorcan[/name]
Good luck!!
Still working on girls names…any more suggestions?
They are giving great suggestions I really like;
[name]Kai[/name] and [name]Lia[/name]
[name]Kai[/name] and [name]Lyra[/name]
[name]Kai[/name] and [name]Tessa[/name]
Boys;
[name]Kai[/name] and [name]Finn[/name]
[name]Kai[/name] and [name]Trey[/name]
[name]Kai[/name] and [name]Van[/name]
[name]Kai[/name] and [name]Wesley[/name] ([name]Kai[/name] and [name]Wes[/name])
[name]Kai[/name] and [name]Trent[/name]
[name]Kai[/name] and [name]Milo[/name]
[name]Kai[/name] and [name]Nate[/name]
[name]Kai[/name] and [name]Max[/name]
[name]Kai[/name] and [name]Bryce[/name]
I really like [name]Kai[/name] and [name]Finn[/name] or [name]Fynn[/name]
And [name]Kai[/name] and [name]Tess/name
One of my good friends has [name]Kai[/name] and [name]Josie[/name], I always thought they worked well together. She is ttc #3 and likes [name]Ezra[/name] and [name]Orson[/name] for boys, and [name]Jemima[/name] and [name]Matilda[/name] for a girl.
My brother’s name is [name]Kai[/name], and my name is [name]Tai[/name]. I advise you not to do that for obvious reasons.
I think [name]Kai[/name] and [name]Lea[/name]/[name]Lia[/name]/[name]Leah[/name] are great together.
As long as it’s not too fancy or long, I think that anything will work well.
Oh man, that must have been confusing!! I have a friend named [name]Leslie[/name] who has a brother named [name]Jesse[/name], and I always thought that was a little too close.
[name]How[/name] about:
[name]Dashiell[/name] “[name]Dash[/name]” or just [name]Dash[/name]
[name]Max[/name]
[name]Nico[/name]
[name]Jude[/name]
[name]Rhett[/name]
[name]Tate[/name]
[name]Rafe[/name]
[name]Nola[/name]
[name]Lola[/name]
[name]Ruby[/name]
[name]Sadie[/name]
[name]Brynn[/name]