How to remove your 123people.com account
Although their support pages claim there’s an account removal button on the account settings page, we couldn’t find it anywhere at the time of writing.
Try to contact them via firstname.lastname@example.org and ask for account removal. Please mail from the email address you used for signing up.
Helpful Trick: Removing online data
Helpful Trick: Remove third-party logins
If you signed up for 123people.com using a third-party login such as Facebook or Twitter, you probably want to revoke all access from 123people.com. Click here to find out how.