Osbourne is of English origin and means "God's defender". It is derived from the Old Norse elements 'Osgar' meaning 'god spear', combined with 'bold'. The name Osbourne was popular in medieval England but declined in usage by the late Middle Ages. However, it experienced a resurgence in the 20th century, particularly in the United States. Notable individuals with this name include English musician Ozzy Osbourne, known for his distinctive voice and charismatic stage presence as the lead singer of Black Sabbath, and American actress Osborne Smith, famous for her role in the television series "One Life to Live".
"The name Osbourne has seen fluctuations in popularity over time, with peaks in recent years, particularly in 2020 and 2021."