Windsor is an English surname and given name, derived from the Old English words 'wind' and 'weard', which translate to 'guard'. It originally referred to someone who lived near a windy hill or was a guardian of the royal residence. The town of Windsor in Berkshire, England, is named after this surname due to its proximity to Windsor Castle, a royal residence since the 11th century. Today, Windsor is widely recognized as a name with strong ties to royalty, as it has been used by several members of the British Royal Family, including Queen Elizabeth II's children and grandchildren.
The name Windsor experienced a significant increase in popularity from the late 1980s onwards, with a notable spike occurring between 2013 and 2020. Between these years, the number of annual births named Windsor more than doubled, peaking at 36 births in 2020. However, there was a decrease to 21 births in 2023.