Luis’ or Luis’s?

Luis’ and Luis’s are correct possessive forms of the name Luis. Furthermore, in AP Style, you should use Luis’. E.g., “Mike Luis’ car was stolen while they were away.” However, if following the Chicago Manual of Style, you should use Luis’s. E.g., “Mrs. Luis’s daughter is a doctor.”

The following chart shows the different forms of the familiar name Luis.

Form	Example
Singular	Luis
Plural	Luises
Singular possessive	Luis’s/ :Luis’
Plural possessive	Luises’

Also, as you can see, there are two correct possessive forms. The first, Luis’, is the one you should use for AP Style. Furthermore, the Chicago Manual of Style states that you should use Luis’s as the singular possessive.

Here are some examples of how the different forms appear in a sentence:

Singular: Luis is taking some spanish lessons ahead of this vacation trip trip to Spain

Plural: “The Luises in the art club are collaborating on a mural for the community.”

Singular Possessive: Lucas’ room is always the tidiest in the house.

Singular Possessive: “Can I borrow Lucas’s bike for a quick ride around the neighborhood?

“

Plural Possessive: “The Luises’ studio is equipped with state-of-the-art tools.

The difference between the final two examples is that in the plural possessive example, we know that more than one Luis lives in the house. In the singular example, we know that  the bike is owned by Mike only.

Now that you have learned the basics regarding how to use the name Luis, please keep reading to learn more detail about each form.

Luis’

The word Luis’ is a correct singular possessive form of the surname Luis. Therefore, you use it to mention that something belongs to one member of the Luis family.

• “Rosa admired Luis’ innovative approach to problem-solving.”
• “When Luis’ book was published, it became an instant bestseller.”.
• Luis’ uncle helped him build a treehouse in the backyard.
• Luis’ bedroom walls were adorned with posters of his favorite bands.
• The family planned a surprise party for Luis’ birthday.

Furthermore, if you are following AP Style, which is commonly followed in schools, you should use Luis’ rather than Luis’s.

Also, when using the singular possessive form of Luis, you should take care that multiple Luises do not own the thing you refer to. If this is the case, you should use the plural possessive instead.

• The Luises’ new car is electric.

Luis’s

The term Luis’s is a correct singular possessive form for the surname Luis. This is the most popular form of the two.

Consequently, you use it when you want to indicate that a Luis owns something.

• “In Luis’s absence, the team struggled to maintain its creative momentum.”
• The family sat around Luis’s dining table for a cozy Sunday brunch.
• Luis’s aunt brought homemade cookies for everyone to enjoy.
• The photo album showcased Luis’s childhood memories.
• Luis’s cousin joined the family game night with excitement.
• The family attended Luis’s graduation ceremony with pride.

In addition, the word Luis’s is the more standard version of the singular possessive, and it is the version that people use more often in legal writing.

Also, you should use Luis’s in any text that follows the Chicago Manual of Style.

Something that you should be careful of when using the singular possessive form of Luis is that multiple Luises do not own the object, which can be difficult because the two words sound the same.

However, when numerous members of a Luis family possess something, you need to use Luises’.

• “Despite the challenges, the Luises’ perseverance led to a successful outcome.”
• The Luises’ backyard is the perfect spot for a summer barbecue.
• Have you met the Luises‘ three adorable kittens?
• The Luises‘ family photos adorned the walls of their cozy living room.