Possessive form of Thomas?

Question

If your child is called Thomas, how would you write and pronounce the possessive form of the name? I'm a bit confused and not a native speaker 😬

Answer

I’m an English teacher. Thomas’s is correct. Please ignore everyone who voted otherwise 😂
Here are a couple sources: https://blog.apastyle.org/apastyle/2013/06/forming-possessives-with-singular-names.html
https://www.merriam-webster.com/words-at-play/what-happens-to-names-when-we-make-them-plural-or-possessive

Answer

Also, Mirriam Webster states both are correct:

Answer

Different style guides say different things, and a few major styles guides have changed their answers to this question in recent years. There is no hard and fast correct answer. Either Thomas’ or Thomas’s would be “correct.”

Answer

I always add the extra "s" because the I feel like the "s" at the end of a name is part of the name only and treat it as if it were any other letter.

Answer

Both are correct, it varies by region/country and preference! Whichever you feel looks better

Answer

I hate when people do Thomas’... it is just so illogical. You wouldn’t say it out loud that way... “Thomas room” sounds ridiculous. You pronounce the pluralizing s, so it should be written, too. Thomas’s room.

Answer

Thomas’s. Thomas’ implies that there is more than one Thomas you’re referring to (the plural possessive).
Example of singular possessive vs. plural possessive: 
That’s the cat’s toy.
Those are the cats’ toys. (Referring to more than one cat)

Answer

I would write Thomas' but probably pronounce it as "Thomases"

Possessive form of Thomas?

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