How to make a last name that ends in S possessive?

To make a last name that ends in 's' possessive, you should add an apostrophe followed by another 's' (as in 's), according to modern style guides such as the AP Style Guide and The Chicago Manual of Style [2, 3].

Is it James or James's?

Both James's and James' are generally considered correct for showing possession, but James's (adding 's) is more common and often preferred in academic writing, while James' (just the apostrophe) is used by some style guides like AP, especially for classical names or when pronouncing the extra 's' feels awkward. The key is to pick one style and remain consistent. 

Is Chris's or Chris correct?

Both Chris's and Chris' are generally considered correct for showing possession, but style guides differ: Chicago Manual of Style prefers Chris's, matching speech, while AP Style (newspapers) uses Chris', adding only an apostrophe for singular names ending in 's'. For clarity and common usage, Chris's (with 's') is often preferred as it reflects pronunciation, but consistency with a chosen style guide (like AP or Chicago) is key. 

Is it Lucas's or Lucas?

Both Lucas's and Lucas' are generally considered correct for the possessive of Lucas, but style guides differ, with many modern ones recommending Lucas's, while some prefer just the apostrophe (Lucas') for names ending in 's' to avoid a triple 's' sound, making it a matter of preference or following a specific rule set like MLA. 

Is it the Smith's or the Smiths?

Use "The Smiths" (plural) for the family name (e.g., "The Smiths are coming over"), and "The Smith's" (singular possessive) for one person's possession (e.g., "The Smith's car") or "The Smiths'" (plural possessive) for the whole family's possession (e.g., "The Smiths' house"), but never "The Smith's" when referring to the family as a group, as the apostrophe isn't for pluralizing names. 

How to Pronounce -S and -ES Endings in English (Plurals, Third Person Singular Verbs, Contractions)

Is it Davis or Davis's?

For the name Davis, use Davises for the plural (the two people), Davis's (or Davis') for singular possession (belonging to one person), and Davises' for plural possession (belonging to the whole family). The simplest way for the plural family name is The Davises, while Davis's is a common singular possessive, though some prefer just Davis', and The Davises' is for the family's shared item. 

Is it Lewis or Lewis's?

Both Lewis's and Lewis' can be correct for showing possession, depending on the style guide and context; Lewis's (add 's) follows traditional rules for singular nouns, while Lewis' (add only ') is often used for proper names ending in 's', especially in journalistic/AP style, with many sources advising consistency in your chosen style. For pluralizing the family name, it's The Lewises, and the possessive is The Lewises', notes Reddit user. 

Is it Lopez's or Lopez's?

It's Lopez's for a single person (e.g., "Lopez's car"), and Lopezes' for the whole family (e.g., "The Lopezes' house"), but for singular names ending in 's', 'z', etc., some prefer just adding an apostrophe (Lopez') while most style guides accept adding 's (Lopez's), so being consistent is key. 

Is it Marcus or Marcus's?

If you're writing for yourself just chose the form you prefer. In all cases the key will be to apply the style consistently. So for example write "Marcus' dog" and "Gus' cat" OR write "Marcus's dog" and "Gus's cat," but avoid mixing (EX: "Marcus' dog" and "Gus's cat").

Is it Williams or Williams's?

It depends on what you mean: "Williams" is the plural name (the Williams family); "Williams's" or "Williams'" shows possession for one person (Mr. Williams's car); and "Williamses'" shows possession for the whole family (the Williamses' house). For a single person named Williams, most modern style guides accept either Williams's or Williams', though Williams's is often preferred for clarity in book publishing. 

Is it 'womens' or 'women's'?

Women's. Because 'women' is already plural, and is possessive. Ergo, you just add the apostrophe 's'. It would only be womens' if womens without the apostrophe was the plural of woman.

Is s's grammatically correct?

Use an apostrophe when showing possession

If the plural of the word is formed without adding an "s" (for example, children), add apostrophe "s" ('s) as you would to the singular form.

What is a group of Chris's called?

“Chrises.” This is the right form because proper names are usually made plural by following the same rules as for pluralizing common nouns.

Is it Julius or Julius's?

As a corollary to that, a singular noun that ends in 's' could either attract the apostrophe alone or an apostrophe that is succeeded by 's'. This reinforces the appropriateness of: James'/James's wallet, Julius'/Julius's singlet and Thomas'/Thomas's girlfriend.

Is it James' mom or James's mom?

Both "James's mom" and "James' mom" are grammatically acceptable, but "James's" is generally preferred by modern style guides like Chicago, while "James'" is also common and follows older rules, so consistency is key—pick one and stick with it, especially if following a specific style guide. "James's" (adding 's) emphasizes a distinct "James-es" sound and is often taught as standard for singular nouns, even those ending in 's'. 

Is it Jones or Jones's?

Both Jones's and Jones' are used for singular possession (belonging to one Mr. Jones), with Jones's often preferred for clarity or by style guides like The Times, while Jones' is common in AP Style and for names ending in 's', but Joneses is the correct plural form (referring to the family), and Joneses' is the plural possessive (belonging to the whole family). 

Is it Rodriguez's or Rodriguez?

Regardless of your personal opinion on how it looks, the apostrophe is wrong for a simple plural. No ambiguity here. If you want to use Rodriguez's, you have to put an object after it and know that it belongs to only one person (ie, 'Rodriquez's Wedding' would be one person's wedding, not both of yours).

Which is correct, Lucas's or Lucas?

Both Lucas's and Lucas' are generally considered correct for the possessive of Lucas, but style guides differ, with many modern ones recommending Lucas's, while some prefer just the apostrophe (Lucas') for names ending in 's' to avoid a triple 's' sound, making it a matter of preference or following a specific rule set like MLA. 

Is it Marcus or Marcos?

Marcos is a Spanish and Portuguese masculine given name of Latin origin derived from the name Marcus. Markos is the Greek equivalent, while Marco is the Italian equivalent.

What is the possessive form of Dennis?

The different style guides disagree on whether to include the second s in a possessive (i.e., Dennis' or Dennis's). Below is a summary of the recommendations of some of the most regularly used style guides. Dennis' would be recommended by: AP style (commonly used in journalism) (Stylebook 2018, Section possessives)

Is it Janes or Jane's?

An apostrophe replaces the word 'of' / 'belonging to'

Examples: The friend of Jane = Jane's friend. The uncle of Lisa = Lisa's uncle. The travel card belonging to the student = The student's travel card.

Which is correct, 70s or 70's?

For the decade, use 70s (no apostrophe before the 's') for the plural, or '70s (with an apostrophe before the 's') as a contraction for 1970s; avoid 70's, as apostrophes usually show possession or missing letters, not simple plurals, though The Chicago Manual of Style prefers the apostrophe for decades.
 

Is it Paris or Paris's?

The singular forms make the possessive with the addition of an apostrophe and an s (Paris's, Kansas's, Cyprus's, Barbados's); for nouns with a plural form, add only the apostrophe for the possessive (United States', Seychelles', Philippines'). Q.

Is it Morris or Morris's?

One does NOT use an apostrophe to denote plurals: apostrophe denotes possessive. Possessive would be Morris's or Morris' (singular, as if Morris was a forename) or The Morrises' (as if Morris was a family surname and something belonged to all of them.)

Is it Perez's or Perez?

To form the possessive of a proper noun ending in an s or z sound, some people use apostrophe + s, as in Perez's and Burns's, and others prefer an apostrophe alone, as in Perez' and Burns's.