Sidney is a name of Old English origin, derived from the words 'sieg' meaning 'victory' and 'leah' meaning 'meadow'. It was originally spelled Sidne or Sedni.
The name Sidney has cultural significance in England as the name of several prominent historical figures, including Sir Henry Sidney, a 16th-century courtier, and Algernon Sidney, a 17th-century philosopher.
People named Sidney are often seen as confident, charming, and entrepreneurial with a strong sense of independence.
The name Sidney remains popular in England and Australia, particularly for its classic and sophisticated feel.