8 - Roman Catholics (2 Bidens, Thomas, Comey-Barrett, Sotomayor, Roberts, Alito, Kavanaugh
2 - Jewish (Kagan, Breyer)
1 - half Catholic (raised, trained, schooled) half Episcopal aka Catholic jr. (Gorsuch)
https://www.theglobalist.com/the-u-s-supreme-court-now-a-roman-catholic-institution/
…or anywhere in the entire world prior to the 16th Century.