Autofill for more than one person

do you use the same user acct?

also what application are you using the autofill in? safari, mail?

please supply more detailed information so we can better help you resolve your issue 🙂

Unless you and your wife want to function as a single organism, you should have separate user accounts.

Select your card in Contacts. Then select

Card ▹ Make This My Card

from the menu bar.