If you are pluralizing the family name to indicate multiple individual members no apostrophe is used.
Names with s on the end apostrophe. If a name ends in ch but is pronounced with a hard k sound its plural will require s rather than es. Use apostrophe plus S with all proper nouns ie. The same goes for Classical names ending with s such as Mars helmet or Socrates sandals.
But what if the name is Sanchez or Church or Williams. Proper nouns ending in s are made possessive by adding an apostrophe only. Rabelaiss carnival although only one s sound is pronounced.
If its not being pronounced what you will do is to add apostrophe plus the letter s. Professional copywriter Kim Siever explains how to use an apostrophe after a name ending with Shttpwwwhotpeppercablog20170301use-apostrophe-name-e. Apostrophes with Words Ending in s While normal people wonder about apostrophes in general believe it or not word nerds have heated arguments over whether to use an additional s with singular possession.
Take a popular name that ends with an s like Charles When were in school a lot of us were told to always add an apostrophe s s to show something that was yours. Singular common nouns ending in s are made possessive by adding an apostrophe and an s. What happens with the names of people that end in S like James or Lewis or Jones.
Felix s car Felix car. Others say Treat all names ending in s the same. All of Dickens novels have now been adapted for.
Add an apostrophe as well as an additional s. Here are some examples based on my style guide of choice. Singular names ending in -s.