What is the singular possessive of Lois?

Answer 1

There are two accepted forms for possessive singular nouns ending in s:

Add an apostrophe (') after the existing s at the end of the word: Lois'

Add an apostrophe s ('s) after the existing s at the end of the word: Lois's

Examples:

I met Lois' mother at the meeting.

I met Lois's mother at the meeting.

Note: The -s's is the most commonly used form, but if you are a student, use the form that is preferred by your teacher.

Answer 2

The singular possessive form of Lois is "Lois's."