Capitalize the Supreme Court Justice’s title

Warning²Federal courts, Illinois courts21st and 22nd editions

A member of the United States Supreme Court is a Justice, capitalized; for another bench the word stays lowercase, as in “the justices of the state’s highest court”.¹

1. 1R. 8(d)(ii) Exceptions; R. 8(c)(ii) Exceptions; R. 9(a) Justices and judges.
2. 2A warning: the form is usually wrong under the rule in note 1, and context can justify it.