Charles’ or Charles’s? Harris’ or Harris’s? Possessives of ...
editorsmanual.com › articles › possessives-of-namesApr 03, 2020 · Possessives of plural names. Family names (like Jones) are pluralized to refer to more than one person. To form the plural, add an s or es: the Smiths, the Dalys, the Patels, the Dickenses, the Joneses, the Harrises. Then, to form the possessive of this plural, simply add an apostrophe after the s, as you would for any other plural word.