A vast number or multitude
Derived from the Latin word 'legio', referring to a large unit of the Roman army. In a biblical context, it appears in the New Testament as a collective name for a group of spirits, though modern usage often focuses on the literal sense of strength in numbers.
Less common today
Legion isn't in the latest US Top 1000. It last peaked at #3,990 in 2021.
David Haller, a powerful mutant with multiple personalities Β· Marvel Comics
A collective artificial intelligence entity composed of many programs Β· Mass Effect
US births per 5-year period, 1990βpresent (SSA data).