William is a classic and enduring name of Germanic origin, meaning "resolute protector" or "strong-willed warrior." Its popularity has spanned centuries, maintaining a consistent presence among favored baby names. The name's strength and historical significance contribute to its enduring appeal.
William has been a popular royal name throughout history, with numerous kings and princes bearing the name. It's also given rise to numerous affectionate nicknames, including Will, Bill, and Liam.