How popular is this name really?

Kat
My husband and I have been set on Luna Belle since before we got pregnant. 
I am really, really not into naming my kid a hugely popular name though. I was Megan growing up and hated it so much I legally changed my name to something else. 
I personally have met no Lunas in my life and everyone we've told has said they like it and haven't met anyone named that before. 
I feel like I see it literally every day on here though, and I'm worried it's about to explode in popularity or something. I would be crushed to have her be one of four Lunas in all her classes like I was with Megan. 
It might even be too late to change her name tbh. We've announced it and everything. But I'm 26 weeks along now and I honestly would consider changing it last minute if I thought it was really going to blow up. 
What do you ladies think? Is Luna the next Ava/ Mia/ Sophia? 

Glow Resources

Let’s Glow

Glow is here for you on your path to pregnancy

Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors