Erah is an uncommon given name with unknown origins, potentially Hebrew or African/Middle Eastern, and meanings ranging from "cursed" to unknown. It has been used in various cultures throughout history as a standalone name or shortened form of longer names like Erasmia or Eraclius. Notably, Erah Ap Tewdrig was a 6th-century British king, but his true name may have been corrupted over time. Today, parents choose Erah for its uniqueness despite limited documentation on its origins and meaning.