Alexandria is the name of the Egyptian city founded by Alexander the Great in 331 BC, famous for its ancient library and lighthouse, and it carries the meaning of Alexander, "defender of the people". In the United States it also names the Virginia city across the Potomac from Washington, and Representative Alexandria Ocasio-Cortez is its best-known current bearer. Alexandria was a top 100 name in 2000 at number 91; it has declined since and stands at number 474 in 2025.