But Joshua Jahn is a made-up name. It’s Masonic. All of those names you see in public where the first and sur name start with the same consonant are made-up Masonic names. Caitlyn Clark, Jimmy Johnson, Alan Alda, Amy Adams, Barry Bonds. It goes on and on. Here’s a list of them. How many parents actually name their children that way? I would guess few.

https://www.listchallenges.com/famous-people-whose-first-and-surnames-start