Ancestry.com is a research site for those interested genealogical history. It houses all manner of records including birth, death, marriage and divorce records, census data, immigration and travel records, and voter rolls, in addition to historical ephemera that might be of interest to genealogy researchers.
What you need to know about Ancestry.com
If you find your information exposed on Ancestry.com, chances are you or a relative has an account, and that account has made your family tree public. If the account is yours, simply sign in, click on your account settings, and change your family tree from public to private. Find more info on Ancestry.com’s privacy settings here.
If the account exposing your information belongs to someone else, you can either contact the person directly (if it’s someone you know) and ask them to lock down their privacy settings, or you can contact Ancestry.com com directly at 1-800-262-3787 and ask them to help you resolve the matter.