I have seen titles, such as books or business names, that omit the apostrophe. Is this proper? Can a title be apostrophe free if the author chooses? EX: Tom and Sallies Big Adventure. Should Sallies properly be Sallie's? Or Sallies'?

  • Yes, it's fine. There is nothing informal about an apostrophe s. And the name Sally is with a y. Usually. – Lambie Oct 6 '18 at 22:56
  • Good catch by Lambie. We do not replace -y endings with -ies for possessives. Some people are called Sallie however. – Michael Harvey Oct 6 '18 at 23:11
  • Please edit the question to clarify if you're specifically asking about possessive noun forms used in titles. It seems you are, but since you didn't say, I can't be sure. – R Mac Oct 7 '18 at 2:07
  • Authors can do whatever they want; whether publishers will allow them is another story. – Arm the good guys in America Oct 7 '18 at 3:08

On the other hand, books and business names can be anything you like, whether or not grammatical or meaningful.


Apostrophes should be used in titles as in body text. To omit an apostrophe can change the meaning of the words.

There may have been some historical scenarios in which they’ve been omitted for technical reasons (e.g. apostrophes in filenames used to cause issues, though I can’t think of any good reason why they’d be omitted in printed headings or titles.

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