Yeah, in the book of Revelation in the Bible as a sign of the end times followers of Satan will have a visible mark on them. Many evangelical Christian conspiracy theorists believe that in a literal sense. Paired with many conservatives also not wanting the government to be able to track them, a national ID system (as opposed to state IDs) has never really gain traction.

You can read more about this here if you’re interested. en.wikipedia.org/wiki/Number_of_the_beast#Mark_of…