Name Help is a series at Appellation Mountain. Every week, we discuss reader’s name questions, usually on Tuesdays and Fridays. We’re relying on thoughtful comments from the community to help expectant parents narrow down their name decisions. Thank you in advance for sharing your insight! To have your question considered, email appmtn (at) gmail. Looking for your own private #namehelp post? Order one here.
THEY FOUND THE PERFECT NAME FOR THEIR FIRST DAUGHTER
Kaycie writes:
My husband and I agree on lots of things, but somehow names aren’t one of them! He has a very traditional, popular in every year, kind of name. I have this super trendy, very 1990s name. For our kids, I want names that are a little bit different, but not made up, and hopefully not too trendy.
I’d always wanted to name a daughter Margot, but when our daughter was born two years ago, it felt like that was The Name every one we knew was using. My husband liked Ava, but I just didn’t want a Top Ten name. I pivoted and found Cleo on a list of girl names ending with O. I like the way it actually was popular in the early 1900s, and I don’t mind that it’s a little more popular again now.
Her middle name is Elizabeth, because I did worry just a little that Cleo might be a little bit much, but so far everyone loves her name and it really fits her personality.
For a boy, I liked Caspian, Rhodes, or Raphael/Rafe.
But we’re having another girl, and I don’t know what goes with Cleo. My husband still likes Ava, but I feel like we hear it all the time. The only name I keep coming back to is Noemi, but my niece and nephew are Noah and Emma, so that’s another name we really can’t use.
Please read on for my response and leave your thoughtful suggestions in the comments.

NAMING A SISTER FOR CLEO
Abby replies:
Congratulations on your new daughter!
As it happens, I have a Clio – so this list was extra-fun for me to think through.
It sounds like we need to match Cleo’s energy in a few different ways:
- A sister for Cleo has to share that unexpected feeling.
- And yet, her name should be at least a little bit familiar – vintage, rather than freshly invented.
- There’s a certain high energy to Cleo, partly because of that O ending. We need something that matches that vibrant, upbeat sound.
While that list sounds specific, we could still go lots of different directions. I’m guessing you’d probably prefer to stick with a nickname-proof name – but I don’t think that’s necessarily a rule.
Let’s look at some options.
WHAT GOES WITH CLEO?
AFTON
The name of a river in Scotland, a Robert Burns poem, and a name that’s been used in small numbers over the years, too, Afton is complete and distinctive.
DINAH
I think Dinah has the same vintage, surprising energy as Cleo. They’re sisters in 1919 … or in 2026.
GOLDIE
There’s a shimmer to Goldie that reminds me so strongly of Cleo. Both names were popular in the early 1900s, too, making them sound even more like sisters.
JOVIE
Strictly speaking, Jovie is a a newer name. But it comes from Jove, another name for Jupiter from Roman mythology. It means cheerful, from our word jovial. (That’s because we once believed that anyone born under the sign of Jupiter was destined to be happy.)
LUELLA
Vintage and sparky, Luella started out as a variant of any of the Lou- names. It sounds fresher than Isabella, more upbeat than classic Louise. This is the one name on the list that might shorten – to Lulu or Lula. Of course, Lula might also be a great sister for Cleo, too.
ROMY
Okay, it’s on the list partially because it’s always been my favorite name if I were naming my Clio’s sister. But Romy also has history. It’s a contracted form of Rosemary or Rosemarie. Midcentury European actress Romy Schneider makes this name every bit as glam as Ava.
VEDA
You might also spell it Vida, Vita, or Veta. This particular spelling tends to be associated with a Sanskrit word meaning knowledge, while Vita is from the Latin word for life. I think they all work, though, and Veda had a good run during the late 19th and early 20th centuries, making it a vintage sister for Cleo.
ZORA
On paper, it’s a Slavic name meaning dawn. In practice, it sounds a lot like current favorites Nora, Cora, and Aurora. Any Z name feels a little more interesting. I think Zora stands up nicely to Cleo’s cool, edgy sound, while still being different enough. While Zora ranks in the current US Top 1000, just like Cleo, it’s less common. And while Zora might be misheard as Zara (or Nora or Cora), I think it’s likely to wear every bit as well as Cleo.
I think my favorite for you is Zora, particularly balanced with another classic middle. Zora Katherine, maybe? I do also really like the sound of Dinah. Cleo Elizabeth and Dinah Louise, maybe?




Oh what about Maxine?? Cleo and Maxine sound so perfect together!
I love the suggestion of Romy with Cleo! Also like Romilly with option of Romy as a nickname.
Naomi – seems like an obvious alternative to Noemi.
Olive – shares sounds of Ava, a little bit retro and spunky like Cleo
Irene, Ruby, Vera or Verity, Inez, Geneva, Nina – I think these all fit with the spunky and vintage but current vibe too!
I loved your boy name options with Cleo! My first thought for a sister name was Phoebe, and I think that is my favorite. I also like Beatrix, Sylvie, Daphne, and Blythe.
My first thought was Avalon, nn Ava. Cleo and Avalon.
My second was Elowen. Cleo and Elowen. There is something still really unexpected about Elowen. Something elfin….
And my third was Leora. Maybe that ioo much Leo but in full they sound really different.
Best of luck!
Without looking at any of the other suggestions:
Ayla
Delia
Elowen (this one has a fairy tale vibe that reminds me of Caspian)
Esme
Freya
Garnet
June
Linnea
Lola
Nola
Poppy
Thora
Una
Willa
I like Novah for a sister for cleo
Cleo and Irene
Irene Noemi?
Irene Margaux?
Irene Opal?
Congratulations and best wishes!
Petra
Eva instead of Ava
Jade
Sybil
Gwen
Astrid
Leona
Congratulations on your baby girl
Cleo and Zoe
Cleo and Reya
Cleo and Gina
Cleo and CeCe
Cleo and Pippa
Cleo and Fifi Short for Ophelia
Cleo and Heidi
Cleo and Lottie
Cleo and Bella
Cleo and Sasha
Cleo and Trudy
All the best
Xxx
Cleo and Zora is kind of perfect, but I will try to top it!
Cleo and Opal
Cleo and Sylvie
Cleo and Iris (Iris might be too popular though…but it seems perfect since they are both mini names with Greek mythology connections)
Cleo and Zelda
Cleo and Blythe
Cleo and Leda (Leda and the Swan?)
Cleo and Edith
Cleo and Demi
Cleo and Faye
Cleo and Mabel
Just looking at the title I thought Ada … then reading through your husband’s love for Ava it seemed more perfect! I think the hard D sound distinguishes it from the softer V sound in Ava.
There’s also Ida, and maybe Ivy (but that may not be distinct enough for you), but I love Cleo & Ada!