O'Hara is a common surname of Irish origin, often associated with the Gaelic name "Ó hEaghra," meaning "descendant of Eaghra." It is prevalent in various regions, particularly in Ireland and among Irish communities worldwide. The name has been borne by notable individuals, including actors, writers, and politicians. In popular culture, O'Hara is also recognized through fictional characters, such as Scarlett O'Hara from Margaret Mitchell's novel "Gone with the Wind." The name evokes a sense of heritage and is often linked to themes of resilience and strength in storytelling.