![The Kardashian Family Celebrates the Grand Opening of DASH Miami Beach The Kardashian Family Celebrates the Grand Opening of DASH Miami Beach](https://api.time.com/wp-content/uploads/2014/09/478241053.jpg?quality=85&w=2400)
“For years, parents have been naming their children in clever, or, if you feel less charitable, ‘clever’ way,” Facebook snakily retorts in a blog post that tracks the unconventional decisions parents make when naming their children.
Facebook data scientists compared users listed as siblings with randomly generated pairs (of their respective name) to find out the most common sibling names. And the 10 most common pairs, when compared to chance, were:
Where’s Kourtney, Kim, and Khloe?
Furthermore, siblings have an 11% chance of having the same first initial — compared to 7% of randoms.
![](https://api.time.com/wp-content/uploads/2014/09/screen-shot-2014-09-15-at-12-40-56-pm.png?w=2400&quality=75)
According to Facebook, “the late-teens drop is due to a cultural phenomenon where best friends of that age will often list each other as siblings.”
And chances of having the same first initial goes up considerably when the siblings are twins:
![](https://api.time.com/wp-content/uploads/2014/09/screen-shot-2014-09-15-at-12-41-21-pm.png?w=2400&quality=75)
More Must-Reads from TIME
- Eyewitness Accounts From the Trump Rally Shooting
- From 2022: How the Threat of Political Violence Is Transforming America
- ‘We’re Living in a Nightmare:’ Inside the Health Crisis of a Texas Bitcoin Town
- Remembering Shannen Doherty , the Quintessential Gen X Girl
- How Often Do You Really Need to Wash Your Sheets?
- Why Mail Theft Is on the Rise
- Welcome to the Noah Lyles Olympics
- Get Our Paris Olympics Newsletter in Your Inbox
Contact us at letters@time.com