How do you write the possessive form of a name ending in s?

[MyBabyIsNameless]

For example, if Thomas wanted a plaque on his bedroom door to indicate it was his room, would it be Thomas's or Thomas'?

Thomas’

Either is correct. I'd be inclined to drop the second s and just have the apostrophe.

I think both are right but Thomas' maybe looks nicer

Yep, apostrophe after the s at the end.

Either can be correct but I would write Thomas's rather than Thomas'.

Thomas’s.

Same as any other name. The apostrophe after the s is incorrect.

Thomas'

@myfoolishboatisleaning

Why do you say it is incorrect? If it is referring to his room, it is possessive so needs a possessive apostrophe

Op as others have said, you can use either. I personally prefer the look of Thomas', to me it looks tidier and that's how I use it

Either is grammatically correct, so it’s personal choice. Personally I prefer Thomas’ but Thomas’s is also fine .

Thomas'

I know both are technically fine but seeing s's just grinds my gears

Should have explained why: it’s a singular noun.

DS also has a name that ends with an s, and it drives DH (a little) bonkers when the school reports don’t get it right.

@LadySpratt, but both are correct so school aren’t getting it wrong unless they’re not using the apostrophe at all .

I was taught that Thomas’s was incorrect (went to school in Australia though)

Boggles, it’s confusing isn’t it? Many people here think it’s incorrect too but it’s not - just looks clunky IMO.

Thomas's - verified by a Catholic London education and pretty much all of the literature we studied.

There was a school of thought that Thomas' was the American version 🤷🏻‍♀️.

I’d go for Thomas’ personally, I just think it looks neater (although agree nothing technically wrong with Thomas’s).

@LadySpratt both are correct!

I actually don't think it looks clunky. Reminds me of brilliant writers.

Would be sad to let it die because ... neatness.

Hollys, your Catholic education was wrong .

Nooooooooooooo

i cant believe either are grammatically correct.
i was sure it was Jesus'

i think i would change the name plate to simply read Thomas rather than having Thomas' room, it looks odd imo

Agree both are correct but I'd definitely go for Thomas's.

To me, Thomas' looks like a plural form, like it's a family's surname, and you're saying Thomas' to mean it belongs to the Thomas family.

I’m an English teacher.

Both are acceptable variants but I despise Thomas’: it looks so incomplete and archaic.

I’m much more a Thomas’s woman.